You must notice ________ the emergency exit is when you enter the building.
#78788
A
which
B
where
C
what
D
in which
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Competitors are allowed to take a five-minute break every hour to eat，drink or do ________ is necessary
#79032
A
which
B
that
C
where
D
what
Jenny is on holiday now. I wonder .
#39003
A
when she will come back
B
when she came back
C
when will she come back
D
when did she come back
Maria’s teacher wanted to know______ .
#36507
A
how long she spends on her homework
B
when the speech will begin
C
why didn’t Mike come to the meeting
D
what she was doing these days
I was not quite sure __________.
#37615
A
what is she looking for
B
why she came late for school
C
how did she deal with the problem
D
if she has arrived
If you are in any doubt as to _____ you should be doing these exercises, consult your doctor.
#79170
A
that
B
which
C
what
D
whether