B) Fill in the blanks with CAN /CAN`T or MUST/MUSTN`T:
1. 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. Milk 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.

1. must2. must3. mustn't pick4. can't eat5. can6. can't come7. can't understand8. Can9. can't10. must11. must12. must13. mustn't speed14. must15. mustn't touch16. Can17. can't come