（题文）I really doubt _____ he would ask her to marry him in public.A．thatB．whether_刷题宝

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（题文）I really doubt _____ he would ask her to marry him in public.

A．that	B．whether
C．how	D．that if

上一题下一题 0.65难度单项选择更新时间:2017-11-23 06:06:33

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