情景对话，从下列方框中选择合适的选项补全对话。
A:Hi,Tom.You look so worried. .
B:We are going to have a basketball game against Class Two. But Jack fell ill. He can’t take part in it.
A:I am sorry to hear that.
B:David, .
A:Sure.What is it?
B: .
A:I’d be glad to. But I’m not good at playing basketball.
B:Never mind. I’m sure you can do it well.
A:I will do my best. .
B:Of course not. .
A:OK. Thank you very much. See you later.
B:See you.