1 . ________ (come) to Guizhou Province to teach has been quite an experience for him. (所给词的适当形式填空)

2 . Besides ________ (do) all my school work, I chat with my friends and watch films.(所给词的适当形式填空)

3 . The good thing about cycling is that you don’t have to worry about ________(stick) in a traffic jam. (用所给词的适当形式填空)

4 . The old man escape _______ (hurt) by the bear finally. (所给词的适当形式填空)

5 . By________ (strengthen) the river banks, the city secured itself against flood. (所给词的适当形式填空)

6 . As I will be away for at least a year, I’d appreciate ________ (hear) from you now and then so that I can know how everyone is getting along. （所给词的适当形式填空）

7 . Students should be prevented from ________(take) their cellphones to the campus. （所给词的适当形式填空）

8 . Tom’s________(represent) our school at the English speech contest proved to be a success. （所给词的适当形式填空）

9 . She spent years _____________ (observe) and recording their daily activities. (所给词的适当形式填空)