---I’ve told her many times, and she still forgot about it!---I understand. It’s true that she___ be very forgetful sometimes.
#87833
A
can
B
should
C
ought to
D
must
推荐题目
— Mary’s sister looks very beautiful now.— But she was very ugly before she tidied up her appearance（整容）. You _________ believe it!
#87061
A
shouldn’t
B
mustn’t
C
wouldn’t
D
might not
It’ s suggested by experts that teenagers ____at least 30 minutes exercising, five times a week.
#87174
A
spend
B
to spend
C
spent
D
have spent
. If only I ________ how to operate an electronic computer as you do.
#89384
A
had known
B
would know
C
should know
D
knew
I told Sally how to get here, but perhaps I ____ for her.
#89352
A
had to write it out
B
must have written it out
C
should have written it out
D
ought to write it out
The doctor recommended he ____ a few more days in hospital.
#87012
A
stays
B
to stay
C
stay
D
would stay