Are you handy? oOr do you have to get someone to fix things? Are you handy? Or do you have to get someone to fix things?

Are you handy? or do you have to get someone to fix things? Are you handy or do you have to get someone to fix things?

I’ve assembled the most of my furniture in my room, and I hookedset up my computer, but I’m not good at sewing. I’ve assembled most of my furniture in my room, and I set up my computer, but I’m not good at sewing.

You dont need the because it is not one specific furniture since you say most. Hook up does mean to provide electricity to equipment but I dont think it is the best word choice here.

I’ve assembled the most of my furniture in my room, and I hooked up my computer, but I’m not good at sewing. I’ve assembled most of my furniture in my room, and I hooked up my computer, but I’m not good at sewing.

most = talking about quantity, amounts the most = superlative comparison (the most funny -> the funniest, the most pretty -> the prettiest， etc.)

I’ve assembled the most of my furniture in my room, and I hooked up my computer, but I’m not good at sewing. I’ve assembled most of my furniture in my room, and I hooked up my computer, but I’m not good at sewing.

I’ve assembled the most of mythe furniture in my room, and I've hooked up my computer, but I’m not good at sewing. I’ve assembled most of the furniture in my room and I've hooked up my computer, but I’m not good at sewing.

I can concentrate on something which is in mythat I am interested in like oil painting, but I would be lazy inam lazy when it comes to areas wherethat I’m not interested in. I can concentrate on something that I am interested in like oil painting, but I am lazy when it comes to areas that I’m not interested in.

I understand what you want to say but it is more clear this way and with correct grammar. To be interested in something is a very useful phrase.

I can concentrate on something which is in mys I'm interested in, like oil painting, but I wouldtend to be lazy in areas where I’m not interested inother areas. I can concentrate on things I'm interested in, like oil painting, but I tend to be lazy in other areas.

You can use "things I'm interested in" to explain it more concisely. Similar examples: things I like, things I usually eat, things I think about, things I'm not good at, etc. And "other areas" is neater to use here because you already introduced the topic (things you're interested in) earlier in the same sentence.

I can concentrate on something which is in my interest like oil painting, but I would be lazy in areas wherethat I’m not interested in. I can concentrate on something which is in my interest like oil painting, but I would be lazy in areas that I’m not interested in.

I can concentrate on something which is in myI am interested in like oil painting, but I wouldcan be lazy in areas where I’m not interested in. I can concentrate on something which I am interested in like oil painting, but I can be lazy in areas where I’m not interested in.

"would be" / "can be" - would be is for if you're posing a hypothetical, but you're talking about a regular trend or personality trait, so it's better to use the present tense of "can be"

I can concentrate on something which is in mythat interests me like oil painting, but I would be lazy in areas whereat things that I’m not interested in. I can concentrate on something that interests me like oil painting, but I would be lazy at things that I’m not interested in.

I think this a more natural way to express this.