请仔细阅读小题及下面六个网站介绍(A、B、C、D、E和F)，选出符合Thomas、Melanie、Arthur、Darrel、David五人各自需求的最佳选项，其中有一选项为多余。
1. Thomas is a student from Japan, studying in Eastland High School. He has some problems with some English words and expressions. So he turns to some proper website for help.
2. Melanie is a high school student and wants to learn some hot technology news by reading some books in this field during the coming summer vacation. She wants to know where to get such books.
3. Arthur is a young school teacher and wants to take a long journey to Germany with his family by air. He hopes to get low-priced airline tickets and deeply discounted hotel rooms. In order to do this, he draws his attention to the websites.
4. Darrel’s father is a successful businessman. He is excited about his father’s job and decides to follow him. So he’d like to make good use of time in the summer holiday to learn some practical business English. How can he find a place where his dream can come true?
5. David is a student of English coming from Africa and used to have many difficulties in his English study. He decided that he would get some free English learning materials to read and with the help of his friends, he wanted to find a website for his purpose.

A	This site is to help ESL/EFL learners develop speaking skills. At this site you can listen to native speakers talk about all kinds of topics; learn useful idioms; learn common words and expressions; test your vocabulary skills in everyday English and so on.
B	This is a professional website for the tourism. It provides the national hotel free booking services and business services. It provides the latest news and information about business travel information.
C	Our website offers you special place to study English. The classes are small—never more than 6 students. The friendly, highly qualified teachers are always ready to help. We have programs such as Day and Evening Classes, and Business English Training for the workplace.
D	This website provides hundreds of pages of free English learning materials organized at different levels from low beginners to high beginners, low intermediate, high intermediate, and advanced. No matter which English level you are at, you’ll find something for you here.
E	Our website always gets deep discounts on airline tickets, hotel rooms saving up to 70%, cheap vacation package at special rates and so on. We decide these special discounts from our travel partners, then pass these saving on to you. See what you could be saving with us! Live large, travel cheap.
F	Whether you are looking for a mystery, romance, Developers’ Tools, or Hot Technologies, our site always has a full list for you. Kick Book Sets: For Kids and Teens, For Men, For Teachers and so on. You will get what you need with great content. Welcome to our website!