Ⅰ.单句语法填空
1．More highways have been built in China，making(make) it much easier for people to travel from one place to another.
2．Left locked (lock) in the reading room alone quite by accident，the boy felt nervous.
3．Jumping out of an airplane at ten thousand feet is quite an exciting experience.
4．The cause of the accident was the fact that he drove too fast.
5．Only a political solution could put an end to the violence(violent)．
6．A helicopter is able to take off and land straight up and down.
7．After several years of hard work，she ended up as a successful writer.
8．Struck by her beauty，he decided to marry her.But how could he make a striking impression on her? (strike)
9．By the time I got home，my wife had cooked(cook) lunch.
10．Buried(bury) in his study，he didn't realize that all the others had left.
