1、 Fear of change is a(n) （）to progress.

2、 They ( ) two children from​

3、 He could ( )all the teachers'​accents.

4、 The plane began to ( )

5、 Each person's fingerprints are ( )

6、 The boys were still standing there, too shocked and( )to move.​

7、 The( )of the election remains in​doubt.

8、 How much do your kindergarten teacher and classmates​( ) the rest of your life?​

9、 Tom is​( ) late for school.​

10、 Why is it so( )important to​ancient Egyptian art?

11、 This South African surgeon​( )​ heart transplants.

12、 He went home ashamed and indignant, full of( )

13、 She eventually ( )her goal of​ becoming a scientist.

14、 Water can( )​a desert into a garden.

15、 She let the chance( )through her fingers.

16、 He could not support his family on his ( )salary.​

17、 Chris is( ) to go around the world.

18、 She did a( ) in her new skirt.​

19、 They often sing for their own ​( )​

20、 She could not( )that feeling of happiness.

21、 We can't( )to wait any longer or​we'll miss the plane.

22、 This dictionary tries to​( )​the meanings of words.

23、 In his speech, he ( ) that the UN​should set up an emergency center for the environment.

24、 The old street lights were( )by more energy-efficient models.

25、 Telescopes and microscopes can ( )​the pictures.​

26、 Of course, blind optimism isn't a good thing, but ​( )​leaders can inspire and motivate teams.

27、 She gave him her​( )​thanks.​

28、 His dream is to become a(n)( )

29、 I hardly slept at all and felt pretty( )

30、 The waves​ ( )​against the rocks.

31、 He cannot​( ) the flavors of those desserts.

32、 There is no simple ( ) to the problem of overpopulation.

33、 You need( ) fingers for that job.​

34、 He grew up in an unhappy and​( )home.

35、 Tom is eager to( )in the city's​cultural life.

36、 Elevators must undergo an annual safety ( )

37、 She keeps her house( )and​comfortable.

38、 The( )that I stole the money​is false.

39、 The decision was a fair one made without any ( )

40、 She managed to​( )​over the​wall.

41、 He was attempting to win favor from ( )​people by flattery.​

42、 Would it ( )you if I put on some​music?

43、 We were struck with horror when we saw the cars​( )​

44、 He was always ( )of every choice I made.

45、 He had a( )of a world in which there would be no wars.

46、 He managed to secure a loan to​( )​a house.​

47、 I now ( )leaving school so young.​

48、 ​House prices​( ) in recent​months.

49、 A local film director is making a(n) ( )about volcanoes.​

50、 Police​( )​no further details about​the accident.