题目内容：

情景对话，从下列方框中选择合适的选项补全对话。（10分）

A:Hi,Tom.You look so worried.        1.        .

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,       2.          .

A:Sure.What is it?

B:       3.         .

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.         4.          .

B:Of course not.        5.          .

A:OK. Thank you very much. See you later.

B:See you.