Как отражает свет шероховатая поверхность?

1 A: CAN Mary cook well?
B: Yes, she CAN

2 A: CAN Bill dance?
B:No, he CAN'T

3 A: CAN Sue play football?
B: Yes, she CAN

4 A: CAN your brother speak French?
B: Yes, he CAN

5 A: CANTony and Steve paint?
B: No, they CAN'T