- Someone is knocking at the door.  - It ______ be Tom. He is still in the school.
#74686
A
can’t
B
mustn’t
C
couldnot
D
might; not
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 This book ______ , because his name is on the book. 
#74799
A
can be Tom’s father’s
B
can’t be Tom’s father’s
C
must be Tom’s father’s
D
must be Tom’s father
--- Can you make a kite for me?--- Sorry, I _____.
#75948
A
needn’t
B
can’t
C
mustn’t
D
shouldn’t