Time waits for no man. But teenagers won’t realize the value of time until it’s gone. Don’t waste your time, __________ you will regret it.
#30899
A
so
B
and
C
but
D
or
推荐题目
You can’t complain of being lonely you don’t make any effort to meet people．
#33135
A
until
B
when
C
once
D
though
She thought I was talking about her daughter, __________,in fact, I was talking about my daughter.
#31444
A
whom
B
where
C
which
D
while
_______you worked late yesterday, you need ’t have come this morning.
#31713
A
Unless
B
Though
C
Once
D
As
______ I accept that he is not perfect, I do actually like the person.
#33714
A
While
B
Since
C
Before
D
Unless
The first week of university is an exciting time _______ freshmen familiarize themselves with their college and make new friends.
#31060
A
that
B
when
C
what
D
on which