There are many pavilions in Shanghai World Expo. Some like visiting European pav

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There are many pavilions in Shanghai World Expo. Some like visiting European pavilions, ________
others enjoy visiting Asian pavilions.[     ]
A. or
B. for
C. while
D. so

答案

举一反三

In the US they focus on creative thinking skills, ________ in China they only focus on theory.[     ]
A. since
B. when
C. while
D. now that

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My mother is always warning me when I go out, "Don"t get off the bus ________ it is stopping."[     ]
A. until
B. before
C. while
D. after

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It"s an old car, it"s very reliable.[ ]
A．so
B．but
C．or
D．and

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Follow the doctor"s advice, ______ your cough will get worse.      [     ]
A. or
B. and
C. then
D. so

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The president was _____ a speech to senators _____ a group of armed young people burst into the hall    [     ]
A. giving; as
B. making; when
C. delivering; while
D. speaking; when

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