My answer :
(Xl bạn nhé, giờ mới thấy. Làm sai thì bình luận nhé)
123)
2) has existed.
3) have developed.
4) found.
5) explored.
6) saw.
7) stoped.
8) catched.
9) alway want. ( Vì I là ngôi số nhiều nhé . Thì hiện tại đơn vì alway là thường xuyên )
10) didn't think.
11) have studied.
12) said.
13) bought.
14) shoud.
124)
( Làm ơn đừng chụp mờ nhé. )
2) took
3) saw
4) was
5) drived
6) met
7) went
8) has grown
9) has lost
10) has just waked up