20、It’s          good feeling for people to admire the shanghai world expo that gives them    

          pleasure.

A．不填，a         B．a,不填           C．the ,a          D．a, the

19、When you introduce me to Mr. Johnson, could you please say             for me?

A．everything        B．anything         C．something        D．nothing

18、——Volunteering is becoming           popular in China.

——Yeah, people are now aware that helping others is helping themselves.

A．naturally         B．successfully        C．splendidly         D．increasingly

17、Stephen Hawking believes that the earth is unlikely to be the only planet _______life has discovered gradually.

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

16、Lots of rescue workers were working around the clock,        supplies to Yushu, Oinghai province after the earthquake.

A．sending          B．to send           C．having sent         D．to have sent

15、The girl had hardly rung the bell            the door was opened suddenly, and her friend rushed out to greet her.

A．before                 B．until             C．as             D．since

14、More and more high-rise buildings have been built in big cities______space.

A．in search of        B．in place of          C．for lack of        D．for fear of

13、Every year a flood of farmers arrive in Shenzhen for the money-making jobs they         

before leaving their hometowns.

A．promised        B．were promised       C．have promised       D．have been promised

12、Teaches recommend parents           their children under 12 to ride bicycles to school for safety.

A．not allow       B．do not allow         C．mustn’t allow       D．couldn’t allow

11、We’ve just moved into a bigger house and there’s a lot to do. Let’s_______it.

A．keep up with       B．do away with        C．get down to       D．look forward to