everyone (try,tries) to earn more and work less括号里的词选哪一个?
题目
everyone (try,tries) to earn more and work less括号里的词选哪一个?
Everybody (believe,believes) he will win.
I heard a noise and went downstairs.Ifound that enerything (were,was) inorder.
答案
tries
believes
was
复合不定代词作主语时,谓语动词通常用单数形式
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已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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