Đề kiểm tra học kì 2 Tiếng anh 12 năm 2023 có đáp án (Đề 28)

I found these photos while I my cupboards. A. was cleaning out

24/50

I found these photos while I _____ my cupboards.

was cleaning out

had cleaned out

am cleaning out

cleaned out

Giải thích

Đáp án A