Câu hỏi

You must never take your helmet off while you are riding a motorbike.

A. Helmet must always be worn when riding a motorbike.

B. You must wear your helmet at all times while riding a motorbike.

C. You must never take off your helmet.

D. Helmet should sometimes be taken off while riding a motorbike.

Đáp án
B. You must wear your helmet at all times while riding a motorbike.

Câu hỏi thuộc Bài tập:

Đề IOE khối 9 số 8.1