问题
选择题
The math problem is too difficult. Can you show me _____? [ ]
A. what to work it out
B. how to work it out
C. how to work out it
D. what to work out it
答案
答案：B
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The math problem is too difficult. Can you show me _____? [ ]
A. what to work it out
B. how to work it out
C. how to work out it
D. what to work out it
答案：B
