22.  ( 2014 重庆，32 ) Practice more,you’ll do better in playing chess.

   A. but   B. and   C. when   D. after 

21.  (2014 天津，39) he was very tired,he continued working in his office.

   A. Since   B. Although   

    C. As soon as   D. Because 

20.  (2015内蒙古呼和浩特，11) —Excuse me,may I come in?

    —Not yet.Please wait on your chair your name is called.

   A. and   B. until   C. after   D. since 

19.  ( 2015 辽宁沈阳，2) —Hello,Joyce,you are busy.Can I give you a hand?

    —Thanks very much,I can manage.

   A. and   B. or   C. so   D. but 

18.  ( 2015 山东聊城，33) we have enough money,we won’t buy any useless things.

   A. Since   B. Until   

    C. Because   D. Although

17.  (2015 广东，30) I have only two tickets for TFBOYS’ concert.you he can go with me.

   A. Either;or   B. Neither;nor

   C. Both;and   D. Not only;but also 

16.  ( 2015 山东临沂，29) The police wondered.

    A. whose handbag it is 

    B. whose handbag it was 

    C. whose handbag is it 

    D. whose handbag was it 

15.  ( 2015 湖北黄R,39) —Excuse me,do you know?

    —Sure,there is a bookstore down the street near here.

    A. where can I get some postcards 

    B. where I can get some postcards

    C. how can I get some postcards

    D. when I can get some postcards 

14.  ( 2015 湖北黄閃，31 ) —Mike,what were your parents doing at 8:00 last night?

    —My mother was reading my father was playing computer games.

   A. while   B. when   

    C. unless   D. as long as 

13.  ( 2015 福建龙岩，43 ) —Kangkang,how can I learn English well?

    A. neither;nor    B. either;or 

    C. not only;but also