21、 ---Have you read the timetable ?   ---Yes . The train ____ at 10:12 p.m..

A. will start   B. is going to start   C. should start     D. starts

20、The sign reading "No Photos" means that no one ____ take any photos in the Palace Museum.

A. need                    B. might          C. must            D. shall

19、The little boy entered the classroom without ______.

A. noticing     B. noticed     C. being noticed     D. notice

18、 -- Well, an apple pie, a salad, and anything ____, sir?

-- A soup, please.

A. to follow      B. follows          C. followed        D, following

17、-- I'm not feeling very well, Barton. To tell you the truth, I'm tired of the present life.

-- I suggest you do some ____ exercise to keep fit.

A. normal          B. general            C. common        D. regular

16、Taobo is Asia's largest retail（零售的） network platform, ______ people can buy and sell many kinds of things．

       A．where              B．when          C．that        D．whose

15、Remember _____ the lights when you leave the house.

A. to turn off     B. turning off    C. to turn on      D. turning on

14、—How do you find the health club?

       —I ______ . Everyone is saying its management is going from bad to worse.

       A．ought to join                    B．should have joined

       C．would rather not have joined        D．would like to have joined

13、（2011·桂林十八校第一次月考）28. Obama’s success in presidential election proves that the color of one's skin shouldn't be a ______ to success.

A. barrier                     B. behavior                 C. battle                      D. bunch

12、（2011·貴州遵義四中第一次月考）12. All the          indicate that he has been deeply involved in the crime.

A. evidence    B. fact    C. factors     D. cause