问题描述：
英语选择题理由····
-Must I turn off the gas after all these years,let's____each other from now on.
A.keep up with B.keep out of C.keep in touch with D.keep touching
-Must I turn off the gas after all these years,let's____each other from now on.
A.keep up with B.keep out of C.keep in touch with D.keep touching
问题解答：
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