in sep 2008 zhaizhigang became the first person to walk___ou

1、Astronaut Zhai Zhigang has become the first Chinese _____ in space.A to have walked B to walk 为什么不选B,已经走过了
2、in+时间和by+时间的用法前者能用于完成时吗?请举例
3、翻译when I had gone around a corner I was completely over in another lane.

翟志刚是第一位太空行走的中国宇航员.Zhai Zhigang is the first Chinese astronaut ___ ___ in space

根据汉语意思完成下列句子
1.翟志刚说他们忍不住再三地看了地球
Zhai Zhigang said that they ____ ____ ____ at the earth ____ ____ ____.
2.当微型计算机被放置人体内时,它们能使人们的心脏正常跳动
When tiny computers ____ ____ inside people's bodies,they ____ their hearts ____ well.
3.毫无疑问,电脑在技术和商业领域很有使用价值
____ ____ ____ ____ that computers are very useful ____ ____ and business.
4.李老师常建议说我们要掌握好电脑技术,并使之为我们将来更美好的生活而服务
Mr Li often ____ us ____ ____ computer technology well and ____ ____ ____ our ____ better in the future.
5.代替用纸写信,人们可以通过发电子邮件和上网聊天进行交流
People ____ by ____ e-mail and ____ on line ____ ____ ____ letters ____ paper.

The successful space walk of Zhai Zhigang is helpful to___a space station
A.look up B.take up C.set up D.pick up

When astronaut ZhaiZhigang was a middle school student,he wrorte:"I have a dream of flying into space so I can get a good look at the Earth."This dream came true nearly 30 years later,when the Shenzhou VII spacecraft lifted off (发射) from Gansu on September25,2008 with Zhai and two other astronauts on board.This is China's third manned (载人的) space mission(任务).The three astronauts Zhai Zhigang,Liu Boming and Jing Haipeng are all 42 years old,and Zhai was chosen to do the spacewalk.On September 27 ,Zhai successfully compelted the spacewalk,becoming China's first man to walk in space.This was the most exciting moment of the mission.On September 28,the three astronauts safely landed in Inner Mongolia,making history in China's space missions once again!有这个短文的阅读理解题及答案吗?

英语选择题求解析
Astronaut Zhai Zhigang has become the first Chinese____in space.A.walking B.walked C.to have walked D.to walk答案是D。考的是不定式。为什么不用C。Ｃ和Ｄ的区别？

有一个句子：
Zhai Zhigang became the first Chinese astronaut that walked in space on September 27,2008.
请问that 不是修饰物的吗?但是又有材料说有the first 修饰的只能用that,但是给的例句都是物做主语,那the first 修饰人也一定用that吗?

Zhai Zhigang became the firet Chinese astronaut ____ ____ in space on September 27,2008.填空

It is well known to us that Zhai zhigang is the first Chinese astronaut ___in space.walk的适当形式
to walk 为什么

填空,时态怎么填?
On September 27,the astronaut zhaizhigang walked of spacecraft to do a special job---____________.