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31、Yesterday our head teacher made such an　　　　speech that we all felt　　　　.

A. exciting; exciting      B. excited; excited

C. exciting; excited       D. excited; exciting

30、

It’s cold in here. We must have the fire　　　　day and night.

A. burn      B. burns      C. burnt      D. burning

29、Miss Brown is having a lot of trouble with the washing machine, but she doesn’t know whom to　　　　for help.

A. turn to      B. look for      C. deal with      D. talk about

28、―Madam, your clothes are ready now.

―Thanks. And how much shall I　　　　for them？

A. cost      B. take      C. spend      D. pay

27、―Do you think our teacher is　　　　？

―Yes, he always corrects our homework and prepares his lessons　　　　.

A. careful; careful           B. careful; carefully

C. carefully; carefully      D. carefully; careful

26、Only by reading more books　　　　improve your reading skills.

A. you can      B. can you      C. do you      D. you do

25、―Sir, can I pass the examinations this time？

―That depends on　　　　you work hard enough or not.

A. what      B. that      C. whether      D. how

24、Now that energy prices are rising so rapidly, further prices are very uncertain, and the risk _____ a new investment depending on them may fail is greater.

              A．that              B．by which             C．a(chǎn)t which              D．in that

23、---- Can you think of a case in which the ecology of an area is in balance?

  ---- Sure. You see, ______ an environment is undisturbed, the ecology of the area is in balance.

A．unless                        B．a(chǎn)s                       C．though                D．where

22、________ by the provincial government, post-disaster restoration and reconstruction work should be carried out on the basis of “seeking truth from facts”.

           A．Being demanded                              B．Demanding                

           C．Demanded                                       D．To be demanded