(1)A:I don't like this shirt. Could you please____________?
B:Sure.Here you are.
(2)A:I'm sorry for________your ruler .
B:___________.I have another one.
(3)A:Would you mind________?It's dangerous.
B:Sorry,I won't do it aganin.
(4)A:I'm sorry that___________the exam this time.
B:_______.I believe you will do better next time.