問題詳情:
—Why is the classroom so dirty?
—Sorry,sir. It yesterday We forgot to do it.
A.doesn’t clean B.didn’t clean
C.isn’t cleaned D.wasn’t cleaned
【回答】
D
知識點:動詞語態
題型:選擇題
問題詳情:
—Why is the classroom so dirty?
—Sorry,sir. It yesterday We forgot to do it.
A.doesn’t clean B.didn’t clean
C.isn’t cleaned D.wasn’t cleaned
【回答】
D
知識點:動詞語態
題型:選擇題