1There was fire in the supermarket near our school last night 2.which floor does your mother live?
题目
1There was fire in the supermarket near our school last night 2.which floor does your mother live?
答案
1、fire是可数名词不能直接用,要在前面加a或是把fire变为复数fires
2、live是不及物动词,既然前边接了宾语floor,live就要接介词再接宾语,所以要在live后面加on
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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