Do you think ________important ________ fit?    
#60354
A
that; keeping
B
this; to keep
C
it; keep
D
it; to keep
推荐题目
We had hoped that you would be able to visit us, but you    .
#64660
A
didn’t
B
hadn’t
C
wouldn’t
D
would not have
Her daughter had a bad cough again, ______she?
#64826
A
wasn’t
B
doesn’t
C
didn’t
D
hadn’t
Such a hard problem ________ that I ________ gave it up . 
#64930
A
was it ; eventually
B
It was ; suddenly
C
was it ; unfortunately
D
It was ; eventually
Look! the ground is wet. It must have rained last night, _______?
#64817
A
hasn’t it
B
didn’t it
C
mustn’t it
D
hadn’t it