问题
选择题
I won't tell you ______ to do to work out the problem. You should try your best first. [ ]
A. how
B. when
C. what
D. where
答案
答案：C
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I won't tell you ______ to do to work out the problem. You should try your best first. [ ]
A. how
B. when
C. what
D. where
答案：C