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S7

【参考答案】

by→for
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单项选择题
A．Scientists thought there wasn’t.B．Scientists hadn’t got an answer.C．Scientists were uncertain.D．Scientists were still studying.
A．Scientists thought there wasn’t.
B．Scientists hadn’t got an answer.
C．Scientists were uncertain.
D．Scientists were still studying.
问答题
1.目前很多人报考研究生； 2.你认为此现象的原因是什么； 3.你是观点和看法。 On Graduate Craze
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