问题描述:
and 连接两个不定式 谓语动词用单数还是复数?
如:To play basketball and to go swimming _____ useful for character-training.
A.is B.are
可是正确答案给的是A阿,到底哪个正确阿。
如:To play basketball and to go swimming _____ useful for character-training.
A.is B.are
可是正确答案给的是A阿,到底哪个正确阿。
问题解答:
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