Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

Câu hỏi

According to our school's regulations, students______ use mobile phones in class.

A. mustn’t

B. shouldn’t

C. needn’t

D. won’t

Đáp án
A. mustn’t

Câu hỏi thuộc Bài tập:

E9- Vào 10- Đề ôn 10