Many experts agree that once these treasures are _______ to the air, great harm will be done to them. So they think it better not to unearth the treasures. 
#72684
A
exposed
B
threatened
C
constructed
D
conserved
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When I went in , they were ____ in a heated discussion .
#68393
A
absorb
B
absorbed
C
absorbing
D
being absorbed
David and I have a lot _______and become good friends very soon.
#75290
A
in interest
B
in trouble
C
in surprise
D
in common