问题
选择题
I can't decide ______. [ ]
A. what to do it
B. how shall I do it
C. how to do it
D. what shall I do it
答案
答案：C
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I can't decide ______. [ ]
A. what to do it
B. how shall I do it
C. how to do it
D. what shall I do it
答案：C