Your friend ______ more if he wants to be thinner. A.needs to exercise B.needs exercising C.need exYour friend ______ more if he wants to be thinner. A.needs to exercise B.needs exercising C.need exercising D.needs exercise
问题描述：
Your friend ______ more if he wants to be thinner. A.needs to exercise B.needs exercising C.need ex
Your friend ______ more if he wants to be thinner.
A.needs to exercise
B.needs exercising
C.need exercising
D.needs exercise
答
A
need 可以做情态动词 也可以做实意动词 如果做情态动词 就没有三人称单数的变化 并且后面加的是do动词原型
因此可以看出在这里是做实意动词 有三人称单数的变化 并且是need to do sth.
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