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

Câu hỏi

A package ________ carefully before it is mailed.

A. has to be wrapped

B. has to wrap

C. had to be wrapped

D. had to wrap

Đáp án
A. has to be wrapped

Câu hỏi thuộc Bài tập:

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