问题
选择题
—Can you solve the problem?
—Sorry, I can't. Why ___ ask the teacher ___ help?[ ]
A. don't, for
B. not, about
C. don't, about
D. not, for
答案
答案：D
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—Can you solve the problem?
—Sorry, I can't. Why ___ ask the teacher ___ help?[ ]
A. don't, for
B. not, about
C. don't, about
D. not, for
答案：D