2.We talked for more than three hours without ___________ a cup of tea.
题目
2.We talked for more than three hours without ___________ a cup of tea.
A) to have B) having
C) have D) had
说明白为什么 请勿胡乱回答
答案
应该选B,without doing something是固定的搭配
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