---- Have you fed the dog?---- No but .A. I amB. I’m just going toC. I’mD. I’m just goin

问题补充：

---- Have you fed the dog?

---- No, but .

A. I am

B. I’m just going to

C. I’m

D. I’m just going

答案：

A. I am

(答案→)B. I’m just going to

C. I’m

D. I’m just going

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