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

Câu hỏi

The little girl asked what _________ to her friend.

A. has happened

B. happened

C. had happened

D. would have been happened

Đáp án
C. had happened

Câu hỏi thuộc Bài tập:

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