Thứ sáu, 17/05/2024
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Câu hỏi:

25/10/2022 527

All motorcyclists must wear helmets. It is…………....for them to wear helmets.

A. official

B. compulsory

C. optional

D. separate

Đáp án chính xác
 Xem lời giải

Trả lời:

verified Giải bởi Vietjack

Đáp án D

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