The _______ boy made the police and his family _______. 
#92633
A
gone; puzzled
B
missing; puzzled
C
missing; puzzling
D
lost; puzzling
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The airport________next year will help promote tourism in this area. 
#89492
A
being completed
B
to be completed
C
completed
D
having been completed
    around the lab, we were taken to see the library.
#95015
A
Being shown
B
Showing
C
Having been shown
D
To show