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 Students should be encouraged to use ______ Internet as ______ resource.

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

-----Tony, I really appreciate your wonderful performance in the concert.

------_______.

A.I’ve practised for ages. 　　　　　　 B.Well, it’s just so-so.

C.No, I don’t think so. 　　　　　　　　 D. Thank you very much.

 When trees are cut down, there is nothing to hold the soil         on the hillside.

  A. take place              B. out of place         C. in place              D. in place of

 On his way home, he suddenly heard his name         .

  A. calling                 B. called               C. to call            D. call

 There is plenty of rain in the southeast,         there is little in the northwest.

  A. because                       B. therefore            C. while              D. as

 Don’t leave the water          while you brush your teeth. 

  A. run                    B. running           C. being run            D. to run

 We         arrive at six. But I’m sorry we are late.

  A. should                  B. were supposed to   C. must                D. ought to

 Only        to use this reading room. Students have another room on the second floor.

  A. are the teachers allowed                         B. are allowed the teachers

  C. the teachers are allowed                         D. the teachers allowed

        once before, after your class I got my visa（簽證）. So thank you again.

  A. Having rejected           B. Rejected            C. Being rejected       D. To be rejected

Think about it carefully and you will find this math problem is so easy_____ .

  A. being solved     B. to solve          C. solving      D. to be solved