It’s very important……………….. your teeth after meals.

Câu hỏi :

It’s very important……………….. your teeth after meals.

A. to clean

B. to brush

C. cleaning

D. brushing

* Đáp án

B

* Hướng dẫn giải

It’s very important + to-V: Quan trọng để làm gì

brush your teeth: đánh răng

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