Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.

Câu hỏi

Passengers are required to fasten their seat belts.

Đáp án
D. Passengers must fasten their seat belts.

Câu hỏi thuộc Bài tập:

ĐỀ SỐ 1 - VŨ MAI PHƯƠNG