The maths problem is very easy, _____ I don’t think all of you can work it out.
#57103
A
and
B
or
C
so
D
but
推荐题目
— When did you go to bed last night? — ____________ I finished my homework.
#57749
A
Until
B
Not until
C
When
D
While
The art club is for members only. You can’t go in ____ you are a member.
#58180
A
unless
B
because
C
if
D
though
— Shall we go for a hiking this weekend?— All right, ________ it rains.
#57781
A
if
B
unless
C
when
D
until
He met many problems ______ he was going over his lessons.
#58104
A
before
B
as soon as
C
since
D
while
---Sorry, I’m late for class again.---Is it ______ you stayed up last night?
#56457
A
why
B
how
C
because
D
when