—Mr. Wang __________ be in the office. The light is still on.—No, he __________ be. Because he phoned me from the farm just now.
#77260
A
may; mustn’t
B
mustn’t; mustn’t
C
can’t; can’t
D
must; can’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