You’ll fail your next exam          you start to work hard.
#57446
A
because
B
unless
C
so
D
why
推荐题目
—It’s very hot in the room! --_______ the door open?
#55563
A
Why don’t keep
B
Why don’t to keep
C
Why not keep
D
Why not you to keep
 None of the shoes in the shops are the right size. They are _____too big ____too small.
#55171
A
both, and
B
neither, nor
C
either, or
D
not only, but also