Alice, you’d better put the vase away ________ it gets broken.
#31323
A
when
B
before
C
unless
D
while
推荐题目
A man does not know the difficulty of anything_________ he does it personally.
#80329
A
although
B
if
C
because
D
unless
The news is spreading around the airport is a heavy storm is coming.
#80157
A
what; /
B
that; that
C
/; that
D
that; which
John felt very embarrassed ________ he entered the government hall.
#30995
A
for the moment
B
the first time
C
for the first time
D
at the moment
______I read those words I had no idea what I was going to be and I made more efforts on writing afterwards.
#80098
A
When
B
Unless
C
Until
D
While
Convenient ___private cars are for us, they may also cause traffic accidents and pollution.
#33185
A
while
B
as
C
if
D
since