Three minutes earlier, they could have escaped such a disaster.
#33866
A
so
B
but
C
and
D
that
推荐题目
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.
#30280
A
Until
B
While
C
If
D
Since
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
