Exercise 15. Choose the best option to complete the sentence.

Câu hỏi

I couldn’t cut the grass because the lawn mower _________ a few days previously.

A. broke down

B. has been broken

C. had broken down

D. breaks down

Đáp án
C. had broken down

Câu hỏi thuộc Bài tập:

[015] - Trọng tâm kiến thức luyện thi Khối 6 Chuyên - Chuyên đề 1: TENSE – Exercise 15