( )1. How often does Katrina exercise?
A、Once a day.
B、Twice a day.
C、Once a week.
( )2. What’s wrong with Frank?
A、He has a sore back.
B、He has a sore leg.
C、He has a sore neck.
( ) 3. How long is Sally staying in Beijing?
A. Five days.
B. Seven days.
C. Six days.
