You’ll fail the exam _____ you work hard.
#56166
A
if
B
unless
C
or
D
so
推荐题目
–You can’t imagine _______ great fun chatting online is.– Really? But it may cause you a lot of trouble.
#57542
A
what
B
how
C
why
D
whether
Dad doesn’t want to sell the car. ______the car is old, it still runs well.
#56064
A
Because
B
So
C
Though
D
But
Yesterday morning I was just leaving_______ the telephone rang.
#55954
A
when
B
while
C
because
D
since
------Did you give Tom a call?-------I didn’t need to,____________I’ll see him soon.
#55682
A
when
B
though
C
until
D
because