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
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