21、Taobao.com is a free site, _________ visitors can not just purchase almost all kinds of products but open their own online shops.

A．where          B．which             C．what          D．whose

20、In yesterday’s football game, our school football players performed well–they were in____ of the ball most of the time.

A．favor       B．need        C．memory          D．possession

19、All the efforts finally ______ in 2009, when the band’s first album won lots of awards.

A．took off        B．turned off           C．set off           D．paid off

18、—Did you watch the movie Mei Lanfang in the People’s Theatre last night?

—I had planned to, but it ________ hard all the time.

A．is raining          B．was raining         C．has rained          D．had rained

17、_________, I guess, and you can make it.

A．If you make more efforts                        B．Making more efforts

C．A bit more efforts                                    D．To have made more efforts

16、There was such a long queue for fried chicken at KFC that we_____ gave up．

A．eventually                                          B．unfortunately

C．generously                                        D．purposely

15、Many people have been ill from a strange disease these days, _____ we’ve never heard of before.

A．it         B．that        C．one          D．this

14、He is only too ready to help others, seldom____, refusing them when they turn to him．

A．if never          B．if ever         C．if not        D．if any

13、— What can I do for you?

— This dress is too small．Is it _____________ in a larger size?

A．convenient         B．available           C．accessible          D．comfortable

12、When the spaceship traveled above, __________ new-looking earth appeared before us, ______ earth that we had never seen before.

A．a; an         B．the; an          C．/; the       D．a; the