5000 câu trắc nghiệm Tiếng Anh 9 có đáp án - Phần 4

We cleaned up the room as soon as the guests________ a. had left b. has left c. left

2/20

We cleaned up the room as soon as the guests________

had left

has left

left

were leaving

Giải thích

Chọn đáp án A