1、 (单选题)The doctor is the only person who will really help you. , he will even treat you free of charge.( )

2、 (单选题)My uncle was busy packing, for he ________ that night.

3、 (单选题)Lately, she ______ Spanish intensively, so she can now understand simple conversations.( )

4、 (单选题)The onlookers will wait on the scene until the street artist _________ the contour of the guy.

5、 (单选题)He came on the eve of the day when we ______ for the South.

6、 (单选题)If you don’t hurry, the train ______ before we reach the station.( )

7、 (单选题)The snow lasted a week, in a serious traffic jam.( )

8、 (单选题)She was willing to ______ the challenge of running a marathon for the first time.( )

9、 (单选题)I ________ if you _______ give me some advice on how to overcome these obstacles.

10、 (单选题)The host told us that the charity banquet _______ when all the guests were here.

11、 (单选题)The teacher told her students that light __________ faster than sound.( )

12、 (单选题)While Sarah ______ her presentation, the projector stopped working.( )

13、 (单选题)With all the assignments ______, the students finally relaxed.( )

14、 (单选题)Daisy often _______ papers in the library before graduation. Now, she often _______ novels in the bookstore.

15、 (单选题)The critic will go with us when he ______ his comment.

16、 (单选题)Alina _______ in Hangzhou four years ago, and now she ________ in Shanghai.

17、 (单选题)You are supposed to get everything ready for this meeting, as the CEO in a few minutes.

18、 (单选题)Danny always __________ computer games in the afternoon, but he __________a football match on TV yesterday afternoon.( )

19、 (单选题)I ______ Joan recently. Where is she?

20、 (单选题)The old woman _______ on the bridge but she _______ anything unusual.

21、 (单选题)Mars ________ longer to revolve on its axis than Earth.

22、 (单选题)They told us that they ________ (leave) for Shanghai the next day.( )

23、 (单选题)She wouldn't buy that expensive dress ______ she had a million dollars.( )

24、 (单选题)He his experiment at the moment, but half an hour ago he

25、 (单选题)— Why is your phone screen cracked?— I ______ it while jogging this morning.( )

26、 (单选题)By the end of this term, we ________ (learn) five books of the series.( )

27、 (单选题)He’s wearing a raincoat, so he’s ______ get wet.

28、 (单选题)I want to have a look at the room where I __________ this afternoon.

29、 (单选题)The captain will have prevented an even worse tragedy when the rescue is under way.

30、 (单选题)Alice _______ a shy girl. However, after some time in a drama club, she _______ sociable now.

31、 (单选题)He finally visited the city ______ his grandparents had lived for decades.( )

32、 (单选题)The suggestion ______ we should have a meeting tomorrow needs to be considered.( )

33、 (单选题)If he ______ the deadline tomorrow, his research paper won’t be accepted.( )

34、 (单选题)The investor will buy shares in the club the chairman raised the price.( )

35、 (单选题)The question ______ humans can live on Mars remains unanswered.

36、 (单选题)______ had the speaker begun to seek a second opinion ______ the audience interrupted him.

37、 (单选题)If he ______ here yesterday, he would have helped you.( )

38、 (单选题)George is enjoying his holiday in the Arctic as he ______ touristy places.

39、 (单选题)　______ was through the monitor ______ I learned the news.

40、 (单选题)Wait for a few minutes. I think it _______ soon.