17000 bài tập tách từ đề thi thử môn Tiếng Anh có đáp án (Phần 3)

I was angry when you saw me because I with my sister.

798/1620

I was angry when you saw me because I _____ with my sister.

have been arguing

had been arguing

argued

would argue

Giải thích

 Đáp án B