—I think we have met the word before.—Yes.It is in the reading material ________ we ________ reading yesterday.
#84657
A
that;did
B
that;were
C
when;were
D
when;did
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_______was last night ______I read about the history of English.
#85250
A
This ,when
B
It ,since
C
It .that
D
It ,before
It is exactly _____we behave _____has changed the world.  
#85473
A
which; that
B
how; that
C
how; what
D
what; that