Exercise 1: Điền trợ động từ thích hợp vào chỗ trống

Can – may – must – should  – ought to – might   –  will   –   couldn’t

1. You ……………………… tell me the truth for your own good.

2. I ……………………… find my shoes anywhere.

3. We ……………………… arrive on time or else we will be in trouble.

4. He ……………………… shoot the basketball at the rim.

5. ……………………… you let me know the time?

6. They ……………………… not be trustworthy enough.

7. …………………….. you please pass the salt?