7. To late 为时太晚。

1. 生词跟短语

detective n. 侦探

detect v.探测

airport n. 机场

expect v. 期待，等待

valuable adj. 贵重的  -> 指的是金钱方面

 able ous ful al  形容词后缀

value n. 价值

precious   值得是精神方面的

parcel n. 包裹

diamond n. 钻石 ，菱形, 方块

steal v. 偷

main 主要的

the main building 主楼

the main streets 主要的街道

the side streets 辅路   65课

the main mirror 主镜

the main idea 

airfield n. 飞机起落的场地

guard n. 守卫，警卫

keep guard 

precious adj. 珍贵的

stone n. 石子

sand n. 沙子

2. 课文跟语法

The plane was late and detectives were waiting at the airport all morning.

飞机晚点了，侦探们在机场等了一个早上。

一般过去时  -> 发生在过去的一件事  

They were expecting a valuable parcel of digamous from South Africa.

他们期待一个很有价值的包裹从南非飞过来的。

过去进行时  -> was/were doing  -> 表示过去某一个时间正在进行的事。

She was reading a book at 11:00 last night.

We were sleeping  at last night.

I was studying at 5:00 o'clock yesterday afternoon.

-> 补充：

当一件事持续进行，另外一件事把它打断。

While you were sleeping , a thief sneaked in .

While I was studying English, a friend knocked at the door.

A few hours earlier, some one had told  the police that thieves would try to steal the digamous.

早在几小时之前，有人想跟警察说，小偷试图要偷走这些钻石。

try to do sth .   ->  努力 尽力做某事。

try doing sth.  ->  尝试， 试图做某事。

try to escape  

try to learn English.

would try - > 过去将来时

一般将来时 -> 表示将来的事情  ->  will / be going to + 动词原形

过去将来时

He said that he would go abroad next year.

She would go to class

宾语从句  -> 一个句子作宾语

1. 陈述句变宾语从句

I think（that) you are right.

I know that my teacher will come back tomorrow.

When the plane arrived,some of the detectives were waiting inside the main building while others were waiting on the airfield.

当飞机到到达之后，一些侦探在守候在主楼内，还有一些在停机坪上。

some 一些

others 另一些

when / while  当什么什么时候

while 只能接延续性动词   -> 表示一个动作是可以持续的。

While you were sleeping ,  a thief sneaked in .

过去完成时 -> had done

-> 用法 ：  过去的之前。

Before 8:00 yesterday , she had finished her homework.  昨天八点之前，已经完成了作业。

When he got there , She had left.

She was not there.

It is 10:00. I have waited  for 2 hours.

It was 10:00, I had waited for 3 hours.

Two man took the parcel off the plane and carried it into the Customs House.

两个人拿着包裹脱离了飞机并且搬着它进入了海关。

Customs House 海关

take(拿走) off(脱离)  拿走，脱衣服，飞机起飞 

The plane will take off.  飞机将要起飞。

While two detectives were keeping guard at the door, two others opened the parcel. 

两个侦探在门口保持警卫，另外两个人打开了包裹。

keep guard 站岗，守卫

To their surprise, the precious parcel was full of stones and sand!

另他们俩惊讶的是， 这个珍贵的包裹里边全是石头跟沙子。

to one's surprise 另某人惊奇的

be full of 充满了

detectives were waiting at the  airport all morning.  过去进行时

keep guard 守卫

to their surprise . 是他们吃惊的是。

3. 知识拓展

1. The plane was late and detectives were waiting ... all morning.

2. A few hours earlier, someone had told the police that thieves would try to steal the diamonds.

1. When I got on the bus , I realized that I had left my wallet at home.

2. Did you predict that many students would sign up for the chess competition ?

1. Some years ago I was offered(提供) a writing assignment that would require three months of travel through Europe.

I had been abroad a couple of times, but I could hardly claim to know my way around the continent.

 Moreover(而且), my knowledge of forego languages was limited to little college French.

How would I set up interviews and do research?