— There'ssomeone knocking on the door. Who _____it be?— It must be Mary. She promised to be here at 8:00.
#62863
A
must
B
need
C
shall
D
Can
推荐题目
 —  My cat’s really fat.— You ______ have given her so much food.
#63003
A
wouldn’t
B
couldn’t
C
shouldn’t
D
mustn’t
My sister ______ an English teacher in our school. Now she works in America.
#77750
A
was used to be
B
used to
C
used to be
D
used to being
The ground isn't wet. It ________ have rained last night.
#62681
A
mustn’t
B
shouldn’t
C
wouldn’t
D
can’t
---I stayed at a hotel while in New York.---Oh, did you? You ________ with Barbara.
#62807
A
could have stayed
B
could stay
C
would stay
D
must have stayed
I find it astonishing that he ____ be so rude to us. I _____ make a complaint to his company.
#63454
A
could; must
B
should; shall
C
shall; should
D
dare; have to