I hate traveling by air ______ you usually have to wait for hours before the plane takes off.
#31027
A
because
B
though
C
until
D
unless
推荐题目
______ you come across some new words, don’t refer to your dictionary at once but guess their meanings according to the context.
#30708
A
Every time
B
The first time
C
Now that
D
If only
_______ I admit she has some shortcomings, I do think she is an attractive girl.
#31165
A
When
B
While
C
As
D
Since
.Few people paid full attention to their health conditions _____ they were seriously ill.
#32922
A
when
B
if
C
until
D
before
You know, the weather is not very good. Is there any possibility the flight would be put off?
#33466
A
whether
B
when
C
why
D
that