I hate travelling by air_______ you usually have to wait for hours before the plane takes off.
#55620
A
because
B
though
C
until
D
Unless
推荐题目
–Would you like to go to the concert with me? –I’d love to, ______ I’m afraid I have no time.
#58559
A
so
B
or
C
and
D
but
______ Kathy was watching TV, her mother asked her to go shopping.
#56706
A
Before
B
Until
C
While
D
After
