100 câu trắc nghiệm Thì quá khứ hoàn thành tiếp diễn (Past Perfect Continuous) có đáp án
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I ________ (not/ work) much all day; so I wasn’t tired and went to the pub last night.

29/100

I ________ (not/ work) much all day; so I wasn’t tired and went to the pub last night.

had not been working

had worked

had not worked

had not been worked

Giải thích

Chọn đáp án: C