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

Câu hỏi

No wonder the vacuum cleaner isn't working. You haven't _ it _ .

A. brought - in

B. given - in

C. plugged - in

D. pulled - in

Đáp án
C. plugged - in

Câu hỏi thuộc Bài tập:

No wonder the vacuum cleaner isn't working. You haven't _____ it _____ .