Fill in the blanks with MUST or MUSTN'T
1. She is ill, so the_____ see the doctor
2. It is raining. You_______ take your umbrella
3. You_____ throw litter on the stairs
4. This is a secret. You _______ tell anybody
5. You______ make noise in the library
6. We_____ hurry or we will miss the bus
7. You_____ eat fruit and vegetables
8. The baby is sleeping. You_____ shout
9. You______ be friendly to everybody
10. You_____ walk on the grass in the park
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Sinh Học lớp 12
