---- Who is it that is making so much noise upstairs? ---- ______ the students preparing for the New Year’s Party.
#85240
A
There are
B
They are
C
It is
D
That is
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Was it from the lake ________ he often went fishing ________ he saved the drowning girl?
#84956
A
that; that
B
where; where
C
where; that
D
that; where
It was ______ back home after the experiment. 
#85256
A
not until midnight did he go
B
until midnight that he didn’t go
C
not until midnight that he went
D
until midnight when he didn’t go