I canlearly remember clearly about themy high school history teacher in high schoolfrom about 30 years ago. I clearly remember my high school history teacher from about 30 years ago.

I can remember clearly about thea history teacher I had in high school about 30 years ago. I can remember clearly about a history teacher I had in high school about 30 years ago.

あるいは、 I can clearly remember a history teacher I had in high school about 30 years ago.

He was thin, with no hair on his head, around 50 years old, and about 175 cm tall, we. We will call him Mr. Zhang. He was thin with no hair on his head, around 50 years old, and about 175 cm tall. We will call him Mr. Zhang.

He was thin, with no hair on his head, around 50 years old and about 175 cm tall, w. We called him Mr. Zhang. He was thin, with no hair on his head, around 50 years old and about 175 cm tall. We called him Mr. Zhang.

また、 He was thin, bald, around 50 years old and about 175 cm tall. We called him Mr. Zhang.

It seemed that he seldom used the textbook when he stood on the platform in the classroomtaught. It seemed that he seldom used the textbook when he taught.

Talking about the platform in the classroom feels unnecessarily specific. Only add details if they contribute to what you're saying :)

It seemed that he seldom used the textbook when he stood on the platform to teach in the classroom. It seemed that he seldom used the textbook when he stood on the platform to teach in the classroom.

He could speak to us, and write on the blackboard within thfor the entire 45 minutes of class time without looking at or even glimpsingglimpsing even once at the textbook on the table. He could speak to us and write on the blackboard for the entire 45 minutes of class time without glimpsing even once at the textbook on the table.

He could speak to us, and write on the blackboard within thfor the entire 45 minutes of class time without looking at or even taking a glimpsinge at the textbook on the table. He could speak to us and write on the blackboard for the entire 45 minutes of class time without looking at or even taking a glimpse at the textbook on the table.

「To take a glimpse」はセットフレーズです。

All the historical events turned out to bbecame attractive fromthrough his words. All the historical events became attractive through his words.

All the historical events turned out to be attractive from his wordsHis words made every historical events seem interesting. His words made every historical events seem interesting.

Some of the students (including me) liked to put myour heads down on the desks while listening to him, it was accepted by Mr. Zhangand Mr. Zhang didn't mind. Some of the students (including me) liked to put our heads down on the desks while listening to him, and Mr. Zhang didn't mind.

Some of the students including me liked to put myour heads on theour desks to listening to him, and it was accepted by Mr. Zhang. Some of the students including me liked to put our heads on our desks to listen to him and it was accepted by Mr. Zhang.

また、 Some of the students including me liked to put our heads on our desks while listening to him and it was accepted by Mr. Zhang.

However, if a student fell to be asleep, he would throw the chalk in his hand ato the sleeping student's head very preciselwith remarkable accuracy. However, if a student fell asleep, he would throw the chalk in his hand at the sleeping student's head with remarkable accuracy.

However, iIf a student fell to be asleep, he wouldowever, he would very precisely throw the chalk in his hand ato the sleeping student's head very precisely. If a student fell asleep, however, he would very precisely throw the chalk in his hand at the sleeping student's head.

へー！

The sleeping student who was hit would feel a little pain and wake up quickly and let all t. The class would laugh, and then Mr. Zhang would continued his class. The sleeping student who was hit would feel a little pain and wake up quickly. The class would laugh, and then Mr. Zhang would continue his class.

“Would” hypothetical should be consistent in this sentence

The sleeping student who was hit would feel a little pain and wake up quickly and let all thwhile the whole class laugh,ed and then Mr. Zhang continued his class. The sleeping student who was hit would feel a little pain and wake up quickly while the whole class laughed and then Mr. Zhang continued his class.

I like Mr. Zhang, h. He not only taught us the knowledge of history, but also fueletd mey interested in thise field and contribute my wholevinced me to dedicate my life to studying it even now. I like Mr. Zhang. He not only taught us history, but also fueled my interest in the field and convinced me to dedicate my life to studying it.

I like Mr. Zhang, because he not only taught us the knowledge of history, but he also let minstilled in me the interested in for this field and contributeinspired me to spend my whole life to studying it even now. I like Mr. Zhang because he not only taught us history, but he also instilled in me the interest for this field and inspired me to spend my whole life studying it even now.