一、单项选择(共15小题;每小题1分，计15分)

　　在下列各题A、B、C、D四个选项中选择一个能填入题干空白处的最佳答案。

　　21. On April 26, 2017, China’s first homemade aircraft carrier (航空母舰) hit the water in Dalian, Liaoning. It is ______ largest and best ship China has ever built. And it was ______ great success.

　　A. a; / B. the; a C. a; a D. the; /

　　22.---How kind it was _____ you to look after the dog for me while I was away?

　　---You’re welcome. It’s necessary _____ us to help each other any time.

　　A. of; for B. of; of C. for; of D. for; for

　　23. The physics teacher asked us to get _________ to him and watch _______.

　　A. close; close B. closely; close C. close; closely D. closely; closely

　　24. —Did your brother _______ the competition yesterday? —Yes, but he only finished _______.

　　A. take part; fifth B. join; five C. join in; five D. join; fifth

　　25. So many people lived in the small room that there was ______for the desk.

　　A. no place left B. not place left C. no place leave D. not any place living

　　26. — ________good information! — I have never heard ________ wonderful news.

　　A. What a; such a B. How; so C. What; such D. How; so a

　　27. Mr. Wu often spends lots of time ______ difficult problems______ us.

　　A. to explain; for B. explaining; for C. to explain; to D. explaining; to

　　28. —If I work hard at my lessons from now on, can I do well in them? —Sure. ___________.

　　A. All rivers run into sea B. Every day is not Sunday

　　C. Better late than never D. The early bird catches the worm

　　29. His aunt wanted to have him ______ the radio, but he had had it ______ already.

　　A. repair, repair B. to repair, repair C. repaired, to repair D. repair, repaired

　　30. --- What did you say to Li Wei just now? --- I asked him _________.

　　A. where did he come from B. what he had done the day before

　　C. what was he doing D. when would he leave

　　31. Do you feel like_______ to a film or would you like_______ at home?

　　A. to go; stay B. going; staying C. going; stay D. going; to stay

　　32.He provides some money _______ the poor girl_______ selling vegetables.

　　A. with;in B. with; by C. for;in D. for;by

　　33.---I hear that the old man has given up_______. ---Yes, he has already given_______.

　　A. drinking; it up B. to drink; up it C. drinking; up it D. to drink; it up

　　34. -- How do you like the robot you bought last week? -- ______. Life has become much easier now.

　　A. It couldn’t be better B. Nobody can do a worse job

　　C. I must complain about it D. It’s out of control

　　35. Jack seems ________than you _______ready for the exam.

　　A. busy, to get B. much busier, getting C. busier, to get D. more busier, getting