Henryoftenhelpshismotherdo athome. A...
問題詳情：
Henry often helps his mother do at home.
A. clean B. cleaning C. cleaned D. cleans
【回答】
B
知識點：動詞和動詞短語
題型：選擇題
問題詳情：
Henry often helps his mother do at home.
A. clean B. cleaning C. cleaned D. cleans
【回答】
B
知識點：動詞和動詞短語
題型：選擇題
