Directions: The sentence given below has 2 blanks, each blank indicating that something has been omitted. Choose the combination of words that would fit the blanks appropriately.
A sudden, mid-flight change of _________ conditions is thought to be the cause of a helicopter crash which killed 11 __________ personnel in eastern Turkey, the Defense Ministry said Friday.
1
weather, military
2
weapon, scientific
3
policy, chemistry
4
hydraulic, diplomatic
5
thermal, political