It was on November 15, 2010 ______ a big fire happened in Shanghai, ______ was a great shock to lots of people.
#84930
A
when; that
B
that; when
C
which; when
D
that; which
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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
They gave us so warm a welcome that we were moved very much. It was a sight__________ we__________.
#85502
A
what;have never forgotten
B
which; wre never forgotten
C
as ;will never forget
D
that; would never forget