Mrs Wsilson made up her mind to devote what she had to (C) some schools for poor children in the
题目
Mrs Wsilson made up her mind to devote what she had to (C) some schools for poor children in the
earthquake-stricken areas.A:set up B:have set up C:setting up D:having set up为什么选C?
答案
devote .(.to) doing sth “投入精力做.”
其中to 是介词,需要采用动名词格式.
故选择C
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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