问题
选择题
I don't think they can finish the work on time, ________?[ ]
A. do I
B. don't I
C. can they
D. can't they
答案
答案：C
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I don't think they can finish the work on time, ________?[ ]
A. do I
B. don't I
C. can they
D. can't they
答案：C