从方框中选适当的选项补全对话。
A：Hi, Tom. You look so worried. 小题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, 小题2:
A：Sure. What is it?
B：小题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. 小题4:
B：Of course not. 小题5:
A：OK. Thank you very much. See you later.
B：See you.
小题1:C
小题2:B
小题3:D
小题4:A
小题5:E
题目分析：
小题1:结合上句：You look so worried.你看起来很着急，可知此处应接着问：你怎么了？故选C。
小题2:根据下句的回答：Sure. What is it?当然，什么事？可知上句应是：你能帮个忙吗？
故选B。
小题3:根据答语：I’d be glad to. But I’m not good at playing basketball.我很乐意，但是我不擅长打篮球。可知问句应是：你会加入我们吗？故选D。
小题4:根据答语：Of course not.当然不会。可知问句应为：你介意教我吗？故选A。
小题5:根据答语：OK. Thank you very much.好的，非常感谢。可知上句应为：放学后让我们一起练习吧。 故选E。