文档介绍：A dog is always well-know as a clever and friendly animal. 狗因其聪明友善而著称。
A friend of mine from high school is working in 为你能自己做这件事吗
Does the computer have instruction on it? 电脑有说明吗
Don’t you think smoking is harmful to your health? 你不认为吸烟对你的健康有害吗
Each time history repeats itself, the price goes up. 历史每重演一次，代价就增加（一分）
Each time history repeats itself, the price goes up. 历史每重演一次，代价就增加一分
Every student has free access to all the resources in the 。
Every year some of his money was given to the best scientists and writers of the world. 每年他都把一些钱给予世界上最优秀的科学家和作家
Fire is more dangerous than earthquake. 大火比地震更危险
Fires may do more damage than earthquakes. 大火可能比地震造成更大的灾难。
Fred is such a hardworking student that he soon came out to be the 1st in his class. 弗莱德是一个如此勤奋用功的学生，以至于不久他就在班里排名第一。
Habits and customs vary from place to 。
Hardly had I gone out of the building when it began to 。
Have you seen Tom recently? 最近看见汤姆了吗
He asks me to stay in the room till he comes back. 他让我呆在房间里直到他回来
He began to work at 18. 他18岁开始工作。
He doesn’t like the way you talk to him. 他不喜欢你和他说话的方式
He found this pair of trousers too long and had it shortened by one ，只好请人改短一寸。
He had a traffic accident last week. 他上周发生了交通事故
He had not slept all night and was completely worn ，累坏了。
He has a foreign friend who lives in Ameri