Study hard , ______ you will not pass the exam .
#32806
A
and
B
otherwise
C
if
D
unless
推荐题目
Some people get in touch with each other by mobile phones__________ others keep contact with each other by e-mail.
#31283
A
when
B
before
C
while
D
since
When we get knocked down, we get back up and we come back stronger, and, ____ I’m President, that’s what we’ll keep doing.
#31725
A
even though
B
as if
C
now that
D
as long as
The reason ____the little actress has been such a success is ____she is both clever and hard-working.
#29990
A
why, why
B
why, that
C
that, because
D
for, because
_______ the forest park is far away, a lot of tourists visit it every year.
#30014
A
As
B
When
C
Even though
D
In case
We have just heard a warning on the radio _____________ a typhoon may be on its way．
#30095
A
what
B
when
C
which
D
that