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

Câu hỏi

When you are on duty, your uniform must __________ at all times.

A. wear

B. be wear

C. be worn

D. be wearing

Đáp án
C. be worn

Câu hỏi thuộc Bài tập:

Ms. Dung Purple - Unit 6: Gender Equality - Grammar: Passive Voice