Oliver still bought some goldfish ________he found it difficult to raise them.
#58215
A
because
B
since
C
though
D
until
推荐题目
Earth is becoming more and more polluted. ______, people will move to Mars one day.
#55145
A
In order to
B
So that
C
As a result
D
Because of
You don’t know how difficult the job is, you have done it yourself.
#55556
A
unless
B
since
C
if
D
because
I was just falling asleep ____ there was a loud knock at the door.
#56801
A
while
B
when
C
until
D
as soon as
