题目内容
I guess we've already talked about this before but I'll ask you again just
________.(2010·浙江)
A.by nature B.in return C.in case D.by chance
C
【解析】C [考查介词短语。句意:我想我之前已经跟你谈论过这件事, 但是以防万一, 我再问你一次。by nature 天生地;in return作为回报, 作为交换;in case 万一, 以防;by chance偶然地。]
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