He made a promise ______ he would help me.A．thatB．whichC．whetherD．why_刷题宝

题干

He made a promise ______ he would help me.

A．that

B．which

C．whether

D．why

上一题下一题 0.64难度单项选择更新时间:2012-09-06 04:58:10

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