1 . __________(keep) calm is harder when problems come out. (所给词的适当形式填空)

2 . He admitted _________(steal) the car. (所给词的适当形式填空)

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

4 . Many shop owners don’t permit ______ (park) cars in front of their shops. (所给词的适当形式填空)

5 . More attention must be paid to _________(protect) the endangered animals. (所给词的适当形式填空)

6 . It cannot be used before ________(inspect). (所给词的适当形式填空)

7 . To avoid ______ (admit) to wrong majors(专业)for higher education, you should start from the right choices of career in your mind. （用所给单词适当形式填空）

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

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

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