could you tell me A.where is he B.where he is C.where was he D.where he was
题目
could you tell me A.where is he B.where he is C.where was he D.where he was
答案
正确:B
1.宾语从句的从句必须使用陈述句语序(A和C都是疑问句语序,故排除)
2.Could you tell me...表示委婉语气,而非过去时,故排除D.
举一反三
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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