3.A.Do you have a volleyball,Barry?
B.In the future,humans will have less work to do.
C.Come and buy your clothes at Huaxing's great sale.
2.A.Where's the lost and found case?
B.The buses are dirty and crowded when it rains.
C.I need to take the video tape back to the store after school.
1.A.Your books are on the sofa.
B.What's your telephone number?
C.Rick takes the number 17 bus to his company every morning.