問題詳情:
Who helped you clean the room? I ____ my own.
A. did on B. did it on C. helped of D. helped it of
【回答】
B
知識點:動詞和動詞短語
題型:選擇題
問題詳情:
Who helped you clean the room? I ____ my own.
A. did on B. did it on C. helped of D. helped it of
【回答】
B
知識點:動詞和動詞短語
題型:選擇題