1 . If the total stress in your life is over 150, you are twice as likely_______(get) ill. (所给词的适当形式填空)

2 . Due to the heavy rain and flooding, ten million people have been forced________ (leave) their homes. （用所给词的适当形式填空）

3 . Being a Chinese, is it wrong to have a desire ________ (learn) a foreign language? (所给词的适当形式填空)

4 . I have arranged for my assistant _______(take) my place to attend the meeting. (所给词的适当形式填空)

5 . You can use a ______________to ______________the average mark of the class and then your______________ can be accurate.(calculate) (所给词的适当形式填空)

6 . We will discuss the problem in ____________to ____________our understanding so that we can tackle it easily.(depth) (所给词的适当形式填空)

7 . We need to ________(sort) out our camping gear before we set off. (所给词的适当形式填空)

8 . You really need a magnifying glass ________ (appreciate) all the fine detail. (所给词的适当形式填空)

9 . They were planning ________ (evacuate) the seventy American officials still in the country. (用所给词的适当形式填空)

10 . Does anyone volunteer ________(take) the chance to help those in need. （用所给词的正确形式填空）