15 Đề ôn thi thpt Quốc Gia môn Tiếng Anh có lời giải chi tiết (Đề số 7)

I was tired when you saw me because I____for the exam. studied

14/50

I was tired when you saw me because I____for the exam.

studied

have been studying

had been studying

would study

Giải thích

Đáp án C