题目内容：

补全对话

（在下面对话的空白处填上适当的话语，使对话完整。话语可能是句子、短语或单词。并将答案写在答题卡的相应位置上。每小题1分，共5分)

A: Hello, Henry, you look unhappy.    1.    ?

B: Hello, Molly, I have to write a report about the most useful invention for my history class.

A: That’s not too difficult.

B: But I have to hand it in tomorrow.

A: You’d better hurry up.     2.   ?

B: I’m going to write about the computer.

A: Maybe everybody is going to write about that.    3.    write about some older things, like clocks?

B: That’s a good suggestion! But I don’t know much about that.

A: Don’t worry.     4.    .

B: Really? It’s very kind of you.     5.    .

A: You’re welcome.