问题
选择题
No one told us ______, so we need your help. [ ]
A. what should we do
B. how should we do
C. how to do it
D. what to do it
答案
C
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No one told us ______, so we need your help. [ ]
A. what should we do
B. how should we do
C. how to do it
D. what to do it
C