Lesson 4   An exciting trip

I have just received a letter from my brother, Tim. He is in Australia. He has been there for six months. Tim is an engineer. He is working for a big firm and he has already visited a great number of different places in Australia. He has just bought an Australian car and has gone to Alice Springs, a small town in the centre of Australia. He will soon visit Darwin From there, he will fly to Perth. My brother has never been abroad before, so he is finding this trip very exciting.

我刚刚收到弟弟的来信，提姆。他在澳大利亚。他有六个月了。提姆是一个工程师。他是一家大公司工作，他已经访问了许多不同的地方在澳大利亚。他刚买了一辆汽车和澳大利亚已经向爱丽丝斯普林斯，一个小镇的中心，澳大利亚。他将很快访问达尔文。从那里，他再飞往珀斯。我兄弟从来没有出过国，因此他觉得这次旅行非常激动。

Grammar

1. 现在完成时的意义，提示词，结构和用法。

2.同位语。

3. ed & ing结尾的形容词

现在完成时的定义：现在完成时跨在两个时间之上，一是过去，二是现在，它的动作发生在过去，但对现在有影响（结果），属于¬¬现在时态范畴。

现在完成时的结构：have/has + p.p.（过去分词）

Exercises.

1 We are__________ to hear that the girl can run at an __________ speed.

A. amazed; amazed    B. amazing; amazing

C. amazed; amazing    D. amazing; amazed

2. —_________ David and Vicky __________ married?

  — For about three years.

A. How long were; being    B. How long have; got

C. How long have; been     D. How long did, get

1. 解析：本题考查的是ed和ing结尾的形容词，答案选C。

2. 解析：本题考查的是现在完成时，所以答案为C。