(2009浙江宁波质检)Since David ________ downloaded a virus into his computer, he can not open the file now．

    A．readily                   B．accidentally             C． horribly                 D．irregularly

(2009天津河东一模)Some students are          net surfing．which does great harm to their physical and mental health

    A．addicted to     B．related to     C．addicting to       D．relating to

—Have you heard that Tom, along with his parents, ____to Japan?

   —Really? No wonder I haven't seen him these days.

A. has been　　        B. has gone　　            C. have been　　      D. have gone

 The customer didn’t choose       of the ties and went away without looking at a third one .

       A．many                 B．any                    C．all                      D．either

_________, the weather in America is different from place to place.

A．As China       B．Like in China         C．Like China      D．As in China 

— Shall I give you a ride as you live so far away ?

— Thank you. _______.

A. It couldn’t be better              B. Of course you can

C. If you like                      D. It’s up to you

He hesitated for a moment before kicking the ball, otherwise he ______ a goal.

A. had scored      B. scored          C. would score         D. would have scored

The time is not far away when mobile phones _____ widespread in China’s vast countryside.

A. will become        B. become         C. shall become      D. have become

 ____ at a college or university in the USA, Chinese and other international students must demonstrate a strong ability in spoken and written English.

   A. Having been accepted      B. To be accepted    

C. Being accepted           D. Accepted

 David apologized for ______ to inform me of the change in the plan.

   A. his being not able　　　　　　　　      B. him not to be able

   C.  his not being able　　　　　　　　    D. him to he not able