单项选择题


A.when
B.until
C.not until
D.while
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Piracy (盗版) exists in many countries. You are required to write to an editor a letter which has approximately 100 words. Your passage must have the following points: (1) your opinion about piracy; (2) your suggestions to eliminate piracy.
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For this part, you are required to write a composition on the topic of Housing Problem. You should write no less than 120 words, and you should base your composition on the outline below: (1) Present situation of housing problem; (2) Reason of housing problem; (3) Possible solution to housing problem.
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