题目内容
Scientists think that there has been life on Earth for ______ years.
A.millions B.million of C.millions of D.three millions
答案:C
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根据句意,选用方框内所给词的适当形式填空。
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east sixty health know discuss |
1. After a ____________, both sides reached a final agreement.
2. Japan is to the ____________ part of China.
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