6。the reason why people choose to live in the city is that the life is more convenient and colorful .

人们选择住在城市的原因是城市的生活更加便利和丰富多彩。

The reason why……is that …的原因是…

why引导定语从句，why在定语从句中作状语，that引导表语从句，表示原因。

The reason why Tom was absent from class was that he was ill.

汤姆旷课的原因是他生病了。

The reason that/which ... is that... …的原因是…

that/which引导定语并在定语从句中作主语或宾语，第二个that引导表语从句，表示原因。

The reason that/ which Tom gave for being absent from class was that he was ill.

汤姆旷课给出的理由是他病了。

This/That/It is because（why）……

This is because it physically takes longer for your voice to travel around the room.

这是因为你的声音在房间里传播需要更长的时间。

This is why they named her Cinderella.

这就是他们叫她灰姑娘的原因。

He has to stay at home. That is because he has a bad cold.他不得不待在家里，那是因为他得了重感冒。

This is why...这是…的原因，why引导表语从句，表示结果。

Tom was ill.This is why he was absent from class.

汤姆病了，这就是他旷课的原因。

I thought, this is why I've travelled thousands of miles

我想，这就是我为何不远千里赶来的原因。

This is why Sir Colin Marshall, British Airways' chairman, has been so keen to buy shares in US-AIR

这就是为什么英国航空公司主席科林·马歇尔爵士一直如此热衷于购买美国航空公司的股票。

Tom was absent from class. That was because he was ill.汤姆旷课了，那是因为他病了。

This/That/It用于承接上文，表示结果。because引导表语从句，表示原因。

He wouldn’t like to go out; this is because he doesn’t feel well.他不想出去，这是因为他觉得不舒服。

This is because the Impressionists encouraged artists to look at their environment in new ways.

这是因为印象派画家鼓励艺术家们用新的视角来观察周边的环境。

This is because it physically takes longer for your voice to travel around the room.

这是因为你的声音在房间里传播需要更长的时间。

7. I had a great first impression of American people.

我对美国人民有了很好的第一印象。

8. We have lots of confidence in our ability to solve any problem.

我们对自己解决问题的能力有足够的信心。

9. With the rapid development of modern technology, the Internet has become a necessary part of our daily life and work.

随着现代科技的迅速发展，互联网已经成为生活和工作中必不可少的一部分。

with复合结构是由“with+宾语+补语”组成，充当宾语成分的通常是名词或者代词，充当补语成分的通常是形容词，副词，名词，介词短语和非谓语动词。主要的构成形式：

with+名词/代词+形容词;

with+名词/代词+副词;

with+名词/代词+名词

with+名词/代词+介词短语;

with+名词/代词+非谓语动词(to do表示将来发生的动作, doing现在分词与前面的宾语逻辑上是主谓关系, done过去分词和前面的宾语逻辑上是动宾关系)。

She left the house with the windows open(开着的）/closed.

她开着/关着窗户离开了房子。

He gets into the room with the door open. 他进房间时没有关门。

He often sleeps with the windows open.他经常开着窗户睡觉。

Don’t speak with your month full.不要满嘴巴食物说话。

With Habib away, Hassan’s attitude seemed to have changed. 哈比卜不在，哈桑的态度好像有了变化。

He died with his daughter yet a schoolgirl. 他去世时，女儿还是个小学生。

The front door closed with a crash behind him.前门在他身后砰的一声关上了。

With the crowds cheering, the royal party drove to the palace. 在人群的欢呼声中，皇室成员一行驱车到皇宫去。

He stood with knees slightly bent. 他站着，双膝略略弯曲。

With all this work to do, I won’t have time to go out. 有这么多工作要做，我就没有时间出去了。

The man with his arms crossed on his chest is the headmaster of our school.那个双手交叉抱在胸前的人是我们学校的校长。（定语）

10. You should read as many books as you possibly can.

大家应该尽可能的多读书。

（1）.as many ideas as possible.尽可能多

We'd like as many people as possible to attend.

我们希望出席的人越多越好。

Brainstorm as many ideas as possible.

大家尽量献计。

Prisons are having to pack in as many inmates as possible

监狱只好拼命往里面塞犯人。

To include as many viewpoints as possible, the editor reserves the right to shorten letters.

为了能包括尽可能多的观点，编辑保留对信件进行删节的权力。

China needs the services of as many intellectuals as possible for the task of socialist construction.

我国的社会主义建设事业需要尽可能多的知识分子为它服务。

（2）. as many+可数名词+as +sb (possibly)can尽可能多

I've always entered as many photo competitions as I can

我总是尽可能多地参加摄影比赛。

The first thing is to support as many shows as one can, not forgetting the small local ones.

首先要尽可能多地支持演出，这其中也包括当地的小型演出。

相对应不可数名词：

We want to expose the kids to as much art and culture as possible.

我们想让孩子们受到尽可能多的艺术和文化熏陶。

Their aim will be to produce as much milk as possible

他们的目标是尽可能提高牛奶产量。

Try to rest the injured limb as much as possible.

尽量不要活动受伤的手臂。

I want to learn as much as possible about the industry so that I'm better prepared

我想尽可能多学一些关于这个行业的知识，让自己更有备无患。

Find out as much as you can about him and report back to me.

尽量查找有关他的资料，向我汇报。

He piled as much food as he could onto his plate.

他把食物猛往自己盘子里堆。

I'd kept out of his way as much as I could

我一直尽量躲着他。

Take as much time as you like.

你想花多少时间就花多少时间。