问题描述：
—My brother and I will go to the library tomorrow.—_______.Shall we go together?A.So am I.B.
—My brother and I will go to the library tomorrow.
—_______.Shall we go together?
A.So am I.B.So do I C.So I am D.So will I.
—My brother and I will go to the library tomorrow.
—_______.Shall we go together?
A.So am I.B.So do I C.So I am D.So will I.
问题解答：
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