摘要： by 介词,作 “靠 , “用 , “通过 解,后面可跟表示旅行路线的词, 如: by land / sea / air / road 走陆路/海路/空路/公路; by 后也可以跟交通工具.特别注意, 介词 by 后面是抽象名词, 不能用冠词或物主代词.而在词组 take a taxi 中, 必须用冠词.如: by air = by plane. 乘飞机 by land = by train /bus 乘火车/汽车 by sea = by ship / boat 乘船 by bike 骑自行车 by bus 乘坐公共汽车 注: 步行要用 on foot. She hated travelling by air. 她讨厌乘飞机旅行. They send the mail by road. 他们通过公路运送邮件. They went to the station by bus, not by taxi. 他们不是坐出租车而是搭公共汽车去火车站的. He wants to travel the whole country by bike. 他想骑自行车周游全国. Section B
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句型转换。
1. My brother is never late for school. (改为同义句)
My brother never _____ _____ schoo1 _____.
2. He can write a letter in English. (改为否定句)
He _____ _____ a letter in English.
3. She has to go to bed by 9 o'clock. (用 usually改写)
She _____ _____ _____ bed at o'clock.
4. They got to Beijing yesterday. (改为同义句)
They _____ _____ Beijing yesterday.
5. Mr. Hu has to cook dinner today. (改为否定句)
Mr. Hu _____ _____ _____ cook dinner today.
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My brother never _____ _____ schoo1 _____.
2. He can write a letter in English. (改为否定句)
He _____ _____ a letter in English.
3. She has to go to bed by 9 o'clock. (用 usually改写)
She _____ _____ _____ bed at o'clock.
4. They got to Beijing yesterday. (改为同义句)
They _____ _____ Beijing yesterday.
5. Mr. Hu has to cook dinner today. (改为否定句)
Mr. Hu _____ _____ _____ cook dinner today.