his carelessness led to the water supply of more than two hundred families
题目
his carelessness led to the water supply of more than two hundred families
his carelessness led to the water supply of more than two hundred families＿＿＿for about 3 hours.
A.was cut off B.cut off C.being cut off D.to cut off
麻烦一定要做一讲解
答案
C
the water supply 是被cut,所以要用被动,即be+cut off,一个句子不能有两个谓语动词,所以be不能用was,只能用being.
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
最新试题
热门考点