Exercise 5:
1. Miss Lee often (write) ______________when she (be) ______________ young.
2. He (leave) ______________home two weeks ago
3. You (speak) _____speaks_________to Mrs. Bakers yesterday?
4. Columbus (discover) ______________ America more than 400 years ago.
5. I (not can) ______________ remember when I last (see) ______________her.
6. When Nguyen Du (die) ______________? - I (not know) ______________when he (die) ______________.
7. Hurry up! The train (come) ______________.
8. Be quiet! The teacher (be) ______________ angry.
9. Some animals (not eat) ______________ during winter.
10. Listen! The bird (sing) ______________.