补全对话。A:Look,Mona!1.

问题详情：

补全对话。

A: Look, Mona! 1.____________________________________?

 B: Oh, it's a computer. It is widely used in today's world.

 A: You are right. Do you know 2.__________________?

 B: Yes, it was invented in 1946.

 A: 3._________________________________?

 B: It is used for helping us work, study, send e-mails and so on.

 A: 4.__________________________________?

 B: It is said that it was invented by some American scientists.

 A: By the way, what are you going to be when you grow up?

 B: 5.___________________________ and invent many useful inventions for our motherland.

 A: OK. Let's work hard to make our dreams come true.

【回答】

What’s this in English?

When it was invented?

What’s it used for?

Who was it invented by?

I want to be a scientist/an inventor…

知识点：补充句子

题型：补全对话