The medical authorities warned everyone _______ the water without first   _____ it

Câu hỏi :

The medical authorities warned everyone _______ the water without first   _____ it

A had drunk – being boiled                              

B not to drink  - boiling

C to drink – having boiled                                

D drinking – having to boil

* Đáp án

B

* Hướng dẫn giải

Phương pháp giải:

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