题目内容
-Is this your pen?
-________.It’s Tony’s pen.
[ ]
A.Yes, it is
B.No, it isn’t
C.Yes, I am
D.No, I am not
答案:B

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题目内容
-Is this your pen?
-________.It’s Tony’s pen.
A.Yes, it is
B.No, it isn’t
C.Yes, I am
D.No, I am not