20 Đề thi giữa học kì 1 môn Tiếng Anh lớp 9 Đề 4

He was lazy ______ he was dismissed. Now he's out of work.

16/40

He was lazy ______ he was dismissed. Now he's out of work.

because

since

so

as

Giải thích

Chọn đáp án C