David, get up early, ________ you’ll catch the early bus.
#56425
A
but
B
and
C
after
D
or
推荐题目
—The passage is too hard to understand.—Yes, ________ it's very short and there are no new words in it.
#55256
A
so
B
as
C
because
D
though
Many students didn’t realize the importance of study _______ they left school.
#57914
A
when
B
until
C
after
D
unless