Everything is changing rapidly and ______ all recognition.
A. off
B. over
C. within
D. beyond
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The examination has been cancelled. You ______ all that revision, after all.
A. didn't need to have done
B. needn't have done
C. need to do
D. needn't do
作者属于海明威的一组作品是：
A. 《母亲》、《在人间》
B. 《两姐妹》、《一九一八》
C. 《丧钟为谁而鸣》、《老人与海》
D. 《汤姆·索亚历险记》、《哈克贝利·费恩历险记》
Does anybody happen to know whose squash racket ______
A. is that
B. is this
C. that's
D. this is
To be successful, a business needs to be aware of its ___________ and weakness as com- pared with its opponents.
A. virtue
B. merit
C. strength
D. advantage
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