Protective clothing must be worn when the machine is in _________.
A. order B. operation
C. line D. public
A woman had a ________ escape yesterday when her car left the road.
A. necessary B. narrow
C. nervous D. neat
The UN is seeking a _________ solution rather than a military one.
A. natural B. patient
C. political D. opposite
Smoking __________ the risk of heart attacks and other health problems.
A. multiplies B. negotiates
C. opposes D. polishes
We were delayed at the airport. _________ we would have been here by lunch time.
A. However B. Instead
C. Probably D. Otherwise
All parking signs have now been placed _________.
A. in practice B. in position
C. in danger D. in mind
