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23、To do well on the test, _____________________________________.

A.        the four choices should be locked at carefully before  you make a choice

B.        don’t answer anything before a careful look at the four choices

C.        before you choose an answer, carefully look at the four choices

D.       look at the four choices carefully before choosing an answer

22、The new comer is shy and never speaks until __________.

A. asked to   B. asking to    C. speaking       D. spoken to

21、___________, her suggestion is of greater value than yours.

A. All things considered      B. All things considering

C. Considering all things      D.  considered all things

20、Don’t _____ to ask us for help if you are really in trouble.

A. worry      B. hesitate          C. puzzle       D. upset

19、After a cheerful dance, the schoolmaster ______ the school art festival open.

A. declared    B. informed         C. proposed     D. admitted

18、After studying chemistry for years, I can only say I have _____ general knowledge of this subject.

A. /         B. a little           C. a                D. some

17、She ____ the hospital so soon, for she has not yet recovered.

A. wouldn’t have left             B. shouldn’t have left

C. mustn’t have left              D. hadn’t had left

16、Even at the narrowest of the Pacific, it is about 3,200 km ____________.

A. widely    B. with cross       C. crossing          D. in width

15、The ______ student standing at the gate speaks very good Chinese.

A. tall  young American         B. young tall American

C. American tall young           D. American young tall

14、While cooking, the pan she cooking with caught fire and ______ her arm.

A. damaged    B. wounded         C. burned      D. spoiled