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Chinaisn'tthecountrysheusedtobe50yearsago.a.thatb.whichc.whatd.since选什么?为什么?分析下.

题目详情
China isn't the country _________ she used to be
50 years ago.
a.that b.which c.what d.since
选什么?为什么?分析下.
▼优质解答
答案和解析
选A
that 引导定语从句
如选C,此题应是:China isn't _______she used to be 50 fifty years ago .