You can’t pass the exam ______ you study harder.
#57077
A
unless
B
if
C
when
D
so
推荐题目
---_______do you send e-mails to your pen friend? ------Once a month.
#56239
A
How long
B
How far
C
How much
D
How often
I have __ a raincoat _____ an umbrella. That’s why I have to wait until the rain stops.
#58016
A
neither; nor
B
either; or
C
not only; but also
D
both; and
—______ does your mother go for a walk？ —Every afternoon.
#56080
A
How long
B
How often
C
How much
D
How many
he studied hard every day, he didn’t pass the exam.
#58253
A
Because, so
B
Although, but
C
Although, /
D
Because, /