71
What is the announcement about?
A Work to replace old floors
B Practice for an emergency
C Essential elevator repairs
D An outdoor catering event
72
What will happen at 3:30 P.M.?
A A barbecue will begin.
B Elevators will operate again.
C Drilling will start.
D An alarm will ring.
73
What should employees do when this happens?
A Go to the plaza
B Go up to the sixth floor
C Take the elevator
D Read the instructions