You’ll fail the exam _____ you work hard.
#56166
A
if
B
unless
C
or
D
so
推荐题目
What a pity! I have only one ruler in my pencil case. ______ you ______ he can borrow it.
#55424
A
Neither; nor
B
Both; and
C
Either; or
D
Not only; but also
— ____ will you finish your homework?— In half an hour.
#56321
A
How long
B
How far
C
How soon
D
How often
____you want to be in the school play , please call Tina at 555-395 .
#57858
A
If
B
When
C
For
D
Because .