根据要求，完成一篇作文。Write a passage on living in a big city. The passage should be about 120 words. Your passagemay be based on the following information:1. List some advantages of living in a big city.2.Describe some disadvantages of living in a big city.3.Give some advice about improving life quality in a big city.

根据写作要求，写出一篇作文。

Write a passage of no less than 100 words in English according to the situation given below.

昨晚十二点半，当所有人正在睡觉时，两个小偷闯入二楼的一个实验室(lab)，在那里发现了一些昂贵的仪器(equipment)，正当准备将仪器搬出楼时，门卫(doorkeeper)听到响动，并立即打电话向学校附近的派出所报了警。 20分钟后，两个窃贼被抓了。警察告诫(warn)大家要防范窃贼。

根据写作要求，写出一篇作文。

You have made an appointment with your client, but failed to keep it. Write a letter of apology to your client according to the information below.

1. apologize for your failure to keep the appointment;

2. explain your reason to your client; and

3. express your wish to make another appointment.

根据写作要求，写出一篇作文。

You are Susan. Your company will hold an opening ceremony for a new factory. You are asked to write an invitation letter to David, an important client of your company. The following information should he included:

the reasons to invite him; the time for the event;

the place for the event;

early reply expected.

根据写作要求，写出一篇作文。

Describe the following case and the criminal suspect according to the notice in about 100 words.

Wanted

Crime: robbery

Victim: a young man

Time: at about 11. 00 p.m. last Saturday

Place: on the 6th Street

Loss: a handbag with a computer, mobile phone, his passport and something else

Appearance of the suspect: short, slim; long, big face, big eyes with cruel eyesight; long,dirty fingernails; wear a worn jacket, a pair of jeans and trainers

Anyone with info.: contact 110 at anytime

Reward: RMB 5,000.