問題詳情:
I saw a street cleaner __________ the street when I went to school this morning.
A. swim B. swimming C. to swim D. to swimming
【回答】
B
知識點:動詞和動詞短語
題型:選擇題
問題詳情:
I saw a street cleaner __________ the street when I went to school this morning.
A. swim B. swimming C. to swim D. to swimming
【回答】
B
知識點:動詞和動詞短語
題型:選擇題