1、  Tom watched his classmates _________ basketball on the playground.

2、  I’m not _________ sure whether Jerry will go to school with us tomorrow.

3、  _________ he got home, the phone rang.

4、  —Have you ever known Tom before?

5、  He is badly ill. We must _________ a doctor at once.

6、  I’m sure he’ll enjoy ________ us around the factory.

7、  _________ of the students are girls in my class.

8、  Mary as well as her sister _________ listening to music.

9、  She is _________ than his brother.

10、  —What’s wrong with the book?

11、  There are about fifty students in the class. Mike is _________ tallest.

12、  —Someone is knocking at the door. Who may it be?

13、  As winter comes, the weather is getting _________.

14、  Sitting in front of the screen for too long is bad _________ your eyes.

15、  _________ of the cake has been eaten.

16、  Please keep the window _________ when you leave the room.

17、  In l955, Walt Disney _________ opened the first Disney Park.

18、  Work hard, _________ you’ll learn English well.

19、  This is the dictionary _________ Mary gave me for my birthday.

20、  —How often do you chat with your friends online?

21、  There _________ a little water in the bottle.

22、  The story will become clearer to us _________ we read it a second time.

23、  Would you please buy some milk, William? There _________ in the fridge.

24、  He _________ China for many years.

25、  My mother has never been to London, _________?

26、  The student was _________ tired to go on reading.

27、  Tom will call me as soon as he _________ home.

28、  —Tony, is this Lucy’s book?

29、  I am looking forward to _________ your answer as soon as possible.

30、  They _________ so proud of their school.

31、  Of the three brothers, the youngest runs _________.

32、  _________ bad weather it is!

33、  When I went to say goodbye to Anna, she _________ the guitar.

34、  The place has _________ into one of the most beautiful tourist spots in the city.

35、  The nearest hospital is about fifteen _________ walk from here.

36、  _________ room is very nice.

37、  —Is that shirt your brother’s?

38、  What _________ she doing at 9 o’clock yesterday?

39、  Of all the boys in the class, Mike is _________.

40、  Who is the girl _________ under the tree?

41、  The suggestion _________ all right.

42、  What _________ at 11:30 yesterday?

43、  —The light in the office is still on.

44、  The good news made him too _________ to say a word.

45、  —What do you think of these two books?

46、  I love Jackie Chan’s movie very much. He is my _________ actor.

47、  The boss believes the letter _________ in half an hour.

48、  When winter comes, the weather gets _________.

49、  Lucy is _________ American girl.

50、  Come on, Mike! You will miss the first train _________ you hurry up.