In case of fire, stay low to the ground in a smoky room, ________ smoke always rises towards the ceiling.
#30873
A
as
B
when
C
while
D
once
推荐题目
________ the reason, it is for sure that yawning can be passed from person to person.
#32140
A
Whatever
B
Wherever
C
Whichever
D
However
Jim is determined to get a seat for the concert ________ it means standing in a queue all night.
#31083
A
now that
B
even if
C
as if
D
so that
“He hasn't got any hobbies——_______you call playing games on computer a hobby.” Mr. Lin said.
#31533
A
If
B
Unless
C
When
D
Since
________ I can see, there is only one possible way to keep away from the danger.
#30128
A
As far as
B
as long as
C
Just as
D
Even if
The reason _____ he refused to attend the meeting was that they didn’t give him an invitation earlier.
#33657
A
how
B
which
C
why
D
because
