This shop has the entrance and the exit separatelyd. This shop has the entrance and the exit separated.

This shop has tThe entrance and the exit of the shop locate separately. The entrance and the exit of the shop locate separately.

This shop has a separathe entrance and the exit separatelyexit. This shop has a separate entrance and exit.

The two men awere not Japanese apparently. The two men were not Japanese apparently.

Based on the Japanese text, I think it would be better to say “The two men did not look Japanese.”

The two men awere not Japanese apparently. The two men were not Japanese apparently.

I think they' were tourists and don'idn’t understand Japanese. I think they were tourists and didn’t understand Japanese.

Since you are telling a story about something that happened in the past, you should use the past tense.

I think they' were tourists and doidn't understand Japanese. I think they were tourists and didn't understand Japanese.

I see sometimes see some visitors from overseas wandering around the exit looking for the entrance, but in many cases they find out where the entrance is after observing the flow of the people. I sometimes see some visitors from overseas wandering around the exit looking for the entrance, but in many cases they find out where the entrance is after observing the flow of the people.

I seeI sometimes some visitors from overseaee some foreign visitors wandering nearound the exit looking for the entrance, but in many cases they find outrealize where the entrance is after observing the flow of the people. I sometimes see some foreign visitors wandering near the exit looking for the entrance, but in many cases they realize where the entrance is after observing the flow of the people.

I see sometimes somee visitors from overseas wandering around the exit looking for the entrance, but in many cases they find out where the entrance is after observing the flow of the people. I sometimes see visitors from overseas wandering around the exit looking for the entrance, but in many cases they find the entrance after observing the flow of people.

I think the shop must improve the singns since many tourists visit there recently. I think the shop must improve the signs since many tourists visit there recently.

This sentence is fine! But personally, I would say “many tourists are going there recently.” That sounds more natural to me.

I think the shop must improve the singsits signs, since many tourists visitshop there recently. now. I think the shop must improve its signs, since many tourists shop there now.

I think the shop must improve the singns since many tourists visited the area recently. I think the shop must improve the signs since many tourists visited the area recently.

Incidentally, ithat was the first time I saw thossomeone who confidently entered from the exit without any hesitationg. Incidentally, that was the first time I saw someone who confidently entered from the exit without any hesitation.

Incidentally, it was the first time I saw those whoanyone confidently enter from the exit without any hesitationg. Incidentally, it was the first time I saw anyone confidently enter from the exit without any hesitation.

Incidentally, it was the first time I saw those who confidently enter from the exit without any hesitationg. Incidentally, it was the first time I saw those who confidently enter from the exit without any hesitation.