补全对话。根据对话情景，在每个空白处填上一个恰当的句子，使对话完整、连贯。A:Look，Mona!1.

问题详情：

补全对话。

根据对话情景，在每个空白处填上一个恰当的句子，使对话完整、连贯。

A:Look，Mona! 1.________________________

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

A:You are right. Do you know 2.________________________

B:Yes，it was invented in 1971.

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

【回答】

's this in English？ it was invented?

3．What's it used for？　 4. Who was it invented by?

5．I want to be a scientist/an inventor/an engineer.

知识点：补充句子

题型：补全对话