---The book _____ be Tom’s.---No, it _____ be his. There’s a name on the book. It’s Jim’s.
#74804
A
must; mustn’t
B
may; mustn’t
C
can; can’t
D
must; can’t
推荐题目
— I can’t get through to the general manager’s office.—The line is busy. Someone ________ the telephone.
#76155
A
must have used
B
could use
C
could have used
D
must be using
—Send me an email when you are free, will you?—________.
#62584
A
I must
B
I will
C
I can
D
I should
---Mum, I hurt my leg when I climbed the tree. --- You ___ that tall tree. I’ve told you many times.
#62682
A
mustn’t have climbed
B
shouldn’t have climbed
C
couldn’t climb
D
may not climb
—Mom, I did not pass the exam.—What a pity! You it.
#62999
A
can pass
B
should have passed
C
must pass
D
must have passed