III. Complete the following sentences with ‘must’ hay ‘have to’ .
1. She ______ leave home for work at eight every morning at present.
2. Notice in a picture gallery: Cameras, sticks and umbrellas ______be left at the desk.
3. He sees very badly; he ______ wear glasses all the time.
4. You ________ to bring your raincoat; it is going to be sunny today.
5. You _________ drive fast; there is a speed limit here.
6. You ________ read this book. It's really excellent.
7. The children _______ play in the streets till their mothers get home from work.
8. You _______ ring the bell; I have a key.
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9. You _______ drink this: it is poisonous
10. She _______ write to him because he will be here tomorrow
Giúp mik vs ạ