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______she swim when she was nine years old?A.Can B.Could C.Can’t D.If为什么不能选A?
题目详情
______she swim when she was nine years old?
A.Can B.Could C.Can’t D.If
为什么不能选A?
A.Can B.Could C.Can’t D.If
为什么不能选A?
▼优质解答
答案和解析
B
从was看出句子为过去式,所以情态动词也应该用过去式,Could是Can 的过去式.
她九岁时会游泳吗?
从was看出句子为过去式,所以情态动词也应该用过去式,Could是Can 的过去式.
她九岁时会游泳吗?
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