题目内容：

单句语法填空

1.These signs are so _____________ that I often get _____________ at them. （confuse）

2.That car accident ruined all his life. After that he was limited _____________ a wheelchair.

3.It was a_____________ （challenge）time for everyone, but Dad remained optimistic.

4.I had great difficulty_____________ （find）the suitable food on the menu in that restaurant.

5.Jack, together_____________ his sisters, is showing great interest in writing these days.

6.I will devote my _____________ life to the _____________ job of serving the people. （limit）

7.She went _________________ untold hardships in her childhood.

8.The film turned_____________ to be a great success.