—Tom can’t find his gloves. Are these blue gloves his?      —No, they ______ be his. His gloves are black. 
#74943
A
must
B
may
C
can’t
D
mustn't
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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