—What a great cook your sister is! —Yeah! We ______ never have enough of her cookies.
#89016
A
may
B
must
C
should
D
can
推荐题目
 We _________ the difficulty together, but why didn’t you tell me?
#87355
A
should face
B
might face
C
must have faced
D
could have faced
If I___you, I____more attention to English idioms and phrases. 
#89906
A
was; shall pay
B
am; will pay
C
would be; would pay
D
were; would pay
 I would have come earlier, but I ________ that you were waiting for me. 
#89381
A
didn’t know
B
hadn’t know
C
would have known
D
haven’t known