Mary _______ her mother with the housework, but she didn’t.
#63072
A
must have helped
B
ought to have helped
C
must help
D
should help
推荐题目
We can hardly believe that an intelligent person like Daniel ________ be asking such a silly question.
#62552
A
should
B
might
C
must
D
could
—Could I please use your computer?— .
#63566
A
Yes, I can.
B
Yes, you can’t
C
Sorry, you can’t
D
No, I can’t.
Don’t be angry with us. We _____ with you together, but we were busy with our final reports when you called in.
#62685
A
would eat out
B
could have eaten out
C
should eat out
D
must have eaten out
-- Look at the boy running on the ground. Is it David?-- It _______ be him. I saw him go to the teacher’s office just now.
#77075
A
might
B
could
C
can’t
D
mustn’t