单选题
The students __________their papers by the end of this month.
A、
will have finished
B、
have been finished
C、
have finished
D、
will finish
【正确答案】
A
【答案解析】
【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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