1.With the _______of Mary, all the girl students are eager to go to the party.

2.Although the trffic is not busy, he likes to drive at a _______ speed.

6.When making modern cameras , people began to _______ plastics for metal.

7.With the help of the government , a large number of people ---_______ after the flood in 1991.

9.Please be serious. I am not _______. You should consider it carefully

11.In the United States, the foreign policy is decided by the ________ government, not by each state.

12.He works in our university as a visiting _______, not as a formal faculty member.

13.When you fill in the application form, please use your _______ address so that we can contact you easily later.

15.We can not trust him any more because he often ________ his duty.

16.In order to increase our output, we need to import more production _______.

17.When a spacecraft travels, one of the major problems is reentry into the Earth’s _______.

18.This river forms a natural _______ between China and Korea.

19.She is already 16years old. But she _______as if she were still a little girl.

21.The doctors _______ the medicines to the people in the flood area.05356893929

24.He _______ to study harder in the future so that he could have more opportunities to find a better job.

25.The _______ work continued for more than a week but there was still no sign of the missing boy.

27.The engineers in this lab spent several weeks _______ their plans for the new bicycle.

29.Free medical service is _______ to nearly all the college students in China.

30.After working for twenty hours without any rest, the doctors were _______.

31.The college students in China are _______ from smoking on campus because this will do them no good.

32.Professor Smith is also the _______ of the international program office. If you have any problem when you study here, you may go to him for help.

34.We can not _______ all the magazines together.

38.Some states in the United States _______ people to carry guns.

39.Carelessness made him fall in his job _______.

40.Sometimes it is very difficult to _______ some of the English words. Even the native speaker can not help.

41.Students with _______ problems may apply for student loans.

42.Both sugar and salt can ______in water.

43.I have not heard anything from him since his _______.

44.Without a proper education, people could _______ all kinds of crimes.

45.Several loudspeakers are _______ from the ceiling and we can hear the speaker very clearly.

46.This morning in the class, our teacher lost his _______ at last because he could not stand any more.

47.It is not ---_______ for me to return all the books to the library now because I still need some of them for my research.

48.When traveling alone in the mountains, you’d better take a _______ with you in case you get lost.

50.If you have any problems during your study here, please do not _______ to call me for help