Face masks all the time when you go out. A. is worn   B. have worn     C. must be worn   D. should wear

Face masks ______ all the time when you go out.
A. is worn
B. have worn
C. must be worn
D. should wear

Trả lời
Đáp án: C

Câu hỏi cùng chủ đề

Xem tất cả