---______ he have been chosen as captain of our school football team? ---Yes, he______. Can’t you see he’s wearing an armband?
#63091
A
Can; can
B
Must; must have
C
Can; must have
D
Must; must
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--- My son is _____ to be seen. Where has he gone? --- I think he _____ in the building. 
#62906
A
nowhere; must be hiding
B
nowhere; must be hidden himself
C
anywhere; hides
D
everywhere; hides himself
Mary ______ my letter; otherwise she would have replied before now. 
#63420
A
has received
B
ought to have received
C
couldn’t have received
D
shouldn’t have received