Câu trả lời:
have seen lots -> had seen lots
2. listen intently-> listening intently
3. change -> changed
4. is still-> was still
5. I'm shopping-> I was/were shopping
6. is having-> was having
7. are-> have been married
8. are believing-> believe
9. the island of Hawaii had been-> the island of Hawaii has been
10. waking-> wakes
Mong câu trả lời của mình sẽ giúp đc bạn <3
Chúc bạn học tốt.