问题
I think you should complain —___________,of course, you are happy with the way things are
A:if
B:unless
C:as
D:because
B:unless
C:as
D:because
正确答案是：
同类题型
1This is the song I’ve toldyou about. Isn’t it _____ beautiful one?
The rabbit ________ Lily keeps in the garden is white.
know when the World Cup ________next week— Next Friday. When it ________, Iwill ring you.
____ the aid of a stick, the old man walked painfully along the street.
we take the 10:20 train— No If we took that train, we________too late