单选题
-- Have you finished ______ the book?-- Not yet. I'll try ______ it to you before Friday.
A、
[A] reading, returning
B、
[B] to read, to return
C、
[C] reading, to return
【正确答案】
C
【答案解析】
[解析] finish doing是完成某事，try to do是设法做某事。
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