While people may refer to television for up-to-the-minute news,it is unlikely that television_ the
题目
While people may refer to television for up-to-the-minute news,it is unlikely that television_ the
newspaper completely.A will replace B have replaced C replace D replaaced 请问答案和具体理由.
答案
选A,
A, 还没发生,将要发生,一般将来时
B已经发生了,现在完成时
C 一般现在是
D 一般过去时
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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