The secretary spent the whole morning __ emails to the company’s clients.
题目
The secretary spent the whole morning __ emails to the company’s clients.
A.send B.to send C.sent D.sending
The students as well as the teacher ____ working hard at the moment.
A.is B.was C.are D.were
稍微说下理由就OK.
答案
D spend.doing 这是英语规定的 记住就行
D 绝对选D as well as 插入语 只看前面的 为主语! 这些都是 需要记住的哦 ! 加油阿!
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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