B29. Sir, do you have anything ______ this afternoon? If there is nothing to do, I wonder if I can
题目
B29. Sir, do you have anything ______ this afternoon? If there is nothing to do, I wonder if I can
B29. Sir, do you have anything ______ this afternoon? If there is nothing to do, I wonder if I can ask for a leave.
A. typing B. typed C. to type D. type
不好意思，少发了
答案
这里用B typed
have sth done让别人做某事
这里提问题的人在问别人是否有什么事要他做?
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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