问题
Do you think people can live on the moon one day—May be. However, it may take ________ years to make it.
A:thousand of
B:thousand
C:thousands of
D:two thousand of;
B:thousand
C:thousands of
D:two thousand of;
正确答案是：
同类题型
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ly understand the writer, we must read not onlybetween the lines, but sometimes _______ the lines
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