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6. I think we should communicate ______ each other what happens to us. A. for; about B. for; for C. by; at D. with; about 解析：选D。考查动词搭配。communicate with sb. 与某人沟通交流；about 表示“就……方面；关于……”，故选D项。 7. He can drink ______ ten cans of beer each time. A. as much as B. so much as C. so many as D. as many as 解析：选D。由cans的复数形式可知，应选as many as。 8. It ______ long before we ______ the result of the experiment. A. will not be; will know B. is; will know C. will not be; know D. is; know 解析：选C。句意为：不久我们就会看到实验的结果。not long before相当于before long，意为“不久”，主句用一般将来时，从句用一般现在时表将来。 9. —Mary’s got mad and has been sent to the mental hospital. Did you tell her boss about that? —Yes, but I ______ her husband first. A. should have told B. shouldn’t have told C. must have told D. needn’t have told 解析：选A。should have done表示本应该做然而没有做,符合语境。 10. —I don’t think I can go any further. | 
