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