Mng giir nhanh giúp e ạ

Bị động - modal verb: 

- S + should be + V3/ed 

- S + can be + V3/ed 

- S + might be + V3/ed

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30. Toothpaste can be bought at the drugstore.

31. The children should be warned not to speak to strangers.

32. The mystery can't be solved.

33. She shouldn't be told the new. She might be killed.

`color{orange}{~LeAiFuRuiHuiBao~}`