—What do you think we can do for our aged parents?—You __________ do anything except to be with them and be yourself
#89581
A
don’t have to
B
oughtn’t to
C
mustn’t
D
can’t
推荐题目
 Look! That fellow is too sleepy to work. He ______ up reading until midnight.
#88455
A
mustn’t stay
B
mustn’t have stayed
C
ought not to stay
D
should not have stayed
—I knocked but nobody answered the door. ----They _____asleep then and didn’t hear you.
#88169
A
must be
B
should be
C
must have been
D
should have been
—— Where ________? —— I got stuck in the heavy traffic, or I_____here earlier. 
#89874
A
did you go; had arrived
B
are you; would come
C
were you; would come
D
have you been; would have been
 Terribly sorry, I came home at last. I _____of the supermarket ________so crowded.
#89423
A
should have thought; being
B
should think; being
C
could have thought; was
D
could think; was