单项选择题

The ______ were obliged to sweep away the tree ______ from the ______.

A. serfs.., leaves.., roofs
B. serves.., leafs.., roofs
C. serfs.., leaves.., moves
D. serfs.., leaves.., roofs
<上一题 目录 下一题>
热门 试题

单项选择题
Those who ______ will burn themselves.
A. play a fire
B. play fire
C. play the fire
D. play with fire
单项选择题
There is a delicate balance of nature ______ many square miles of ocean and vegetation and clean air are needed to maintain only a relatively few human beings.
A. where
B. in which
C. when
D. how
相关试题