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missing
missing
1.
for the safety of the missing man is growing .
2.
A vacancy, caused by an atom missing from a lattice site, is a type of（）defects
3.
The police （） looking for the missing child.
4.
You have to（）the missing dictionary within a month.
5.
The missing boy was last seen（）in the playground.
6.
Internal atoms have missing bonds, so, they are in higher energy states than surface atoms