---- When did the couple die? ---- It was on May 12 _______ the earthquake hit Wenchuan County.
#33030
A
that
B
which
C
when
D
what
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The police said they would not give up looking into other possibilities ____they find out what happened.
#32173
A
as
B
while
C
until
D
although
________ H7N9 is a deadly virus, it is still safe to eat thoroughlycooked chicken.
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A
Until
B
While
C
If
D
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23. Tom had to be told two or three times ________ he could remember what the teacher said.
#79646
A
before
B
when
C
until
D
As