i'm getting confused

1) i've been fixed (fixing) my comupter with my hand(s) in the (at) home since (for) 13 years

2) i was fixing my computer last_night ( 잘 했어요 !)

3)The temple was built in the 13th century ( 잘 했어요 !)
The temple is built ~ is <- is not?  ( 죄송합니다 I'm not sure what your asking here )

4) have (has)he done all his homework?  
have (has) he done (all) his homework all?

5)he's always wanted to go to seoul (맞아요)
he's always wanted to go in seoul ( 나도 몰라요)
he's always wanted to be (in) seoul
he's always wanted up to go (up) to seoul
(나도 서울 가고싶어요!)
Thanks ^-^ Your welcome! 

I'm getting confused

1) I've been fixing my computer with my own hand at home for the last 13 years

2) I was fixing my computer last night

3) The temple was built in the 13th century

4) Has he done all his homework?

5) He always wanted to go to Seoul