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sheknowsalotaboutChinaasshehasbeentoChina.a.fortheforthtime.b.fourtimes.c.afourthtime.d.forfourtimes.选哪个,

题目详情
she knows a lot about China as she has been to China__.a.for the forth time.b.four times.c.a fourth time.d.for four times.选哪个,
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答案和解析
B