there is so much food in the supermarket.i don not know _____
题目
there is so much food in the supermarket.i don not know _____
A what to choose
B which to choose
C which one to choose
D whether to choose
两种,晕
再看看
还有
为什么不用WHAT
势均力敌,WHAT CAN I DO
答案
A 题干为宾语从句.
B,C选项中的which是定语从句里的关系代词,也就是说不能引导宾语从句.
D选项whether后面只能跟一个含有主谓宾的句子,如：I don't know whether I should choose cabbage or cucumber.
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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