Điền must/mustn't ; can/can't
She is ill, so she ………………………. see the doctor.
2. It’s raining heavily. You …………………… take your umbrella.
3. We ………………………………. (not / pick) the flowers in the park.
4. Mike is nine months old. He ……………………………… (not / eat) nuts.
5. I am very tall. So I …………………… play basketball.
6. I’m sorry but we …………………………………………. (not / come) to your party
tomorrow.
7. You are speaking very quietly. I ………………………………….. (not / understand) you.
8. …………………….. I use your phone?
9. We …………………….. go to the bank today. We haven’t got any money.
10. My hands are dirty. I ……………………….. wash them.
11. It’s late. I …………………………. go now.
12. You ………………….. stop at a red traffic light.
13. You ………………………………….. (not / speed) in the city.
14. Tourists ……………………… take their passports when they go abroad.
15. Footballers …………………………………….. (not / touch) the ball with their hands.
16. ……………………… you play the guitar?
17. I ……………………………………… (not / come) with you now. Because I’m studying
my lessons.