I. Chia động từ:
1. .....you......(be) to Nha Trang.
2. I.....(do) exercise twice.
3. I......(clean) the floor in the moment.
4. She oftens ......(go) shopping on Sundays.
5. He.....(just/visit) Da Nang.
6. She......(not/read) comic books yet.
7. How long.....she.....(learn) English ?
8. I.....(not/go) cycling for a long time?
9. He.......(never/see) this kind of animal before.
10. At present, she......(go) jogging.