一品农家妻有声小说:一道英语选择题

来源:百度文库 编辑:高校问答 时间:2024/05/10 14:05:46
The boys _______.That is why their hair is wet.
A.have swum B.have been swum
C.have been swimming D.swim
选择并说明为什么,谢谢了