试题:
 Comparison may make something appear more beautiful than it is when _________ alone.
A.to seeB.seeingC.is seenD.seen

答案:

我来补答
D
本题可采用增元法。When it is_____alone(当单独看它时)。显然,D为最佳选项。
 
 
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这些题目你会做吗?