quite a lot of people came over to help the poor man____at once
题目
quite a lot of people came over to help the poor man____at once
A.not asking B.without being asked C.without asking D.not asked
为什么选B啊,being asked是什么时态?
答案
being asked,动名词的被动式,在这里作介词without的宾语,without being asked整个作状语,修饰句子的谓语 came over to help
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