A

If I found a burglar in my home,   6   I'd probably call the police. 

B

If I saw someone shoplifting in a store,   1   I'd tell a salesclerk immediately.

C

If she saw a friend cheating on an exam,   5   she'd go straight to the teacher.

D

If she got enough sleep,   3   she'd be able to stay awake in class. 

E

If you bought a large dog,   2   you'd probably have to take it out for walks.

F

If she were a bird,   4   she could fly easily.