You must notice ______ the emergency exit is when you enter the building. 
#79030
A
which
B
where
C
what
D
in which
推荐题目
No one knows ____________ in fifty years.
#38428
A
what will our life be like
B
what is our life like
C
what our life will be like
D
what our life is like
I don’t know          .
#37207
A
what the population of Tianjin is
B
what is the population of Tianjin
C
how much the population in Tianjin is
D
how much is the population in Tianjin