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单项选择 适中0.65 引用2 组卷356
What Tom’s parents really doubt is ________ he will recover from the serious disease soon.
A.thatB.when
C.whetherD.how
17-18高一下·黑龙江哈尔滨·阶段练习
知识点:that, whether, as, as if, as though, because引导的表语从句 答案解析 【答案】很抱歉,登录后才可免费查看答案和解析!