1_______ Peter is old and weak, he still has to work.
A. But B. Even though C. So D. Because of
1The windows must _________ before you leave the room.
A. be closed B. are closed C. close D. be close
1I am very sad that I ______ many chances in the last few years.
A. miss B. missed C. have missed D. am missing
1—Must we clean the classroom now?
—No ,you _______.
A. must B. needn’t C. aren’t D. mustn’t
“Great Changes in My Hometown ”为题用英语写一篇短文描述家乡小镇所发生的变化。
过去我住的一个小镇周围都是树，没有高楼。那里的人们过着贫穷的生活。
现在家乡发生了巨变，你到处能看到高楼大厦和工厂，许多人有了自驾车。
但空气和水污染也变得越来越严重，山不绿了，水不净了，天不蓝了
发挥1-2句...
Great Changes in My Hometown
Every day cars kill or hurt many people on roads. Sometimes the drivers drive too fast or do not, drive c 1 enough. Some of them break the traffic rules and cause accidents.
According to some researches, it is usually the pedestrians（行人）who cause the accidents. A lot of road users are very careless. They walk or run a 2 the roads in front of the cars. They walk in the roads but not on the walkways. They get i 3 or out of cars in the middle of the road. Some do not take the trouble to wait for the green lights and s 4 cross the roads against the red lights.
Many people think accidents often h 5 in busy roads in large cities, but this is not always t 6 For example, Tokyo is one of the world’s l 7 cities and probably one of the busiest cities; however ,there are a few a 8 to pedestrians. The reason is that the police there are very strict and the pedestrians are very careful. Pedestrians never cross against a red light and they always f 9 traffic rules.
Do you know alcohol（酒精）is a 10 main cause of traffic accidents? It delays people’s response. Those who have drunk alcohol are slow in making decisions. They n 11 a few more seconds to react（反应）.Alcohol drinking is e 12 dangerous for motor car drivers. It is not only drivers who may have accidents after drinking. drunken pedestrians may put their lives in danger as well.
