Bài 4 :
1/
1) c
2) a
3) d
4) b
5) e
2/
1) d
2) a
3) b
4) c
5) e
Bài 5 :
1) There was a park near my house but now , there is a museum there
2) They lived in Singapore but now , they live in Tokyo.
3) She was an excellent ballet dancer , but now, she is a housewife.
4) I buy cassettes and now , I buy CDs.
5)She played tennis a lot , but now , she doesn't have time to play.
6) She didn't like gardening , but now she likes it
7) My grandparents drank coffee , but now , they drink green tea
8) She was a singer in a band , but now , she is a solo singer
Chúc bạn học tốt !