The students______their papers by the end of this month.

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问题 The students______their papers by the end of this month.

选项 A、will have finished
B、have been finished
C、have finished
D、will finish

答案A

解析 本题解答的关键在于句末的by the end of this month,“by”一般用于完成时态,所以可以得出,这个句子考查的是将来完成时的用法,即will have done sth.,故选A。
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