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TraditionalchinesedoctorsintheUSAarefewerthan_inchina.A.whomB.themC.thatD.those

题目详情
Traditional chinese doctors in the USA are fewer than _in china.A.whom B.them C.that D.those
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答案和解析
D
同类进行比较,此处those指代doctors.those常用来指代前面出现 的复数名词.