Đề kiểm tra 15 phút Tiếng Anh 9 Thí điểm Học kì 1 có đáp án (Đề 5)
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I all day so I wasnt tired and went to the disco at night

2/10

I (not / work) all day; so I wasn't tired and went to the disco at night.

Had not been working

Had worked

Had not worked

Had not been worked

Giải thích

Đáp án: A