Chia Động Từ Trong Ngoặc
1. Nam ( not meet ) his old friend for a long time
2. Before he ( go ) to England , he ( study ) English hard
3. When we ( come ) in, they ( listen ) to music
4. Unless he ( study ) harder, he won't pass the exam
5. The boy ( sit ) next to the window is my best friend
6. The doctor advised us ( study ) hard for the final exam
7. Were I ( know ) her phone number , I would tell you
8. This hotel ( build ) two years ago
9. I don't mind ( ask ) about my past
10. You'd better ( not eat ) lots of sweets
1. hasn't met
2. went / had studied
3. came / were listening
4. studies
5. sitting
6. to study
7. to know
8. was built
9. being asked
10. not eat