Ⅰ.单句语法填空
1．Their talks are expected to focus(focus)on arms control.
2．She spent twenty yuan in all.
3．His father has just recovered from heart surgery.
4．Then all of the students were challenged to write(write)down the statements from memory.
5．Susan has been reading(read) that storybook since last night.
6．One had better see life in its various(vary)aspects when young.
7．As a famous lawyer，it was convenient for him to do that.
8．He's always had a tendency(tend)towards fast cars.
9．Children should be made to understand(understand)the importance of saving water.
10．He no longer keeps his neighbors at a distance(distant)．
