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
推荐题目
A new school was _____ in the village last year.
#65870
A
pulled up
B
set up
C
sent up
D
brought up
How happy you are to _______ good health and a lovely daughter! 
#73009
A
be bored with
B
be based on
C
be blessed with
D
take advantage of