问题描述：
If you have any trouble,be sure to call
5.—If you have any trouble,be sure to call me.
—_______.
A.I am glad to hear that\x05B.I will.thank you very much.
C.I have no trouble\x05D.I will think it over
5.—If you have any trouble,be sure to call me.
—_______.
A.I am glad to hear that\x05B.I will.thank you very much.
C.I have no trouble\x05D.I will think it over
问题解答：
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