According to German scientists, a vaccine for avian flu HN1 will be available in ______.

rite at least 120 words based on the following situation given below in Chinese:

你到书店买书，对书店导购员的服务态度不满意；你写信给书店经理投诉。

in Big Cities in three paragraphs. For the first two paragraphs, the first sentence is given and you may just write on to complete them. As to the remaining part, you are required to work out a topic sentence and develop it into a well organized paragraph and your composition should end with the concluding statement given below (Sentence 3).

1. Traffic is one of the essential activities for people in big cities.

2. Owing to the major part it plays, traffic has long been a serious concern for the local governments.

3. Only when these problems are effectively solved, will a major city be able to survive the nationwide competition and function as an economic center.

f since ______.

日前很多小国学生出国留学

2．出国留学的好处

3．我的看法