Trắc nghiệm Tiếng Anh phân biệt "Must" và "Can"

1. That's ridiculous. - you ____ be joking.

2. That's the phone - who ____ it be?

3. They haven't eaten for hours - they ____ be starving.

4. I'm busy this morning, but I ____ see you this afternoon if you like.

5. It ____ be the postman; it's far too early.

6. You ____ enter the country without a visa.

7. They're two hours late- there ___ be something wrong.

8. She left two hours ago, so she ____ have arrived by now.

9. My doctor says I ____ lose some weight.

10. ____ you smell something burning?