问题
选择题
—Did you go to Tom's birthday party?
—No, I _______. [ ]
A. am not
B. didn't
C. can't
D. isn't
答案
答案：B
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—Did you go to Tom's birthday party?
—No, I _______. [ ]
A. am not
B. didn't
C. can't
D. isn't
答案：B