A: May I leave now?
B: No, you ________. You ________stay here.
A.needn’t; has to B.must; have to C.can’t; must D.needn’t; must
It is 11:00 p.m now. Peter hasn't come back yet. His mother ______ be very mad at him.
A.may B.can C.must D.need
A good friend is someone you________ share your pleasure and pain with.
A.can’t B.need C.can D.must
A: Must I finish reading the book today?
B: No. You ________ if you have something else to do.
A.mustn’t B.couldn’t C.can’t D.don’t have to
A: Must we put up a sign by the riverside?
B:________. It’s very dangerous here.
A.Yes, you must B.No, you mustn’t C.Yes, you can D.No, you needn’t
为了向全世界展示绿色中国，学生会倡议每位同学围绕“How to go green”写一篇英语文章，介绍自己如何从身边小事做起，尝试进行低碳、环保生活。
意义 | (1) 节约能源 (2) 有利于减少污染，改善环境 … … |
措施 | (1) 关注日常生活 (2) 外出时最好步行代替乘公交或地铁 (3) 外出时及时关掉电脑和电视机 (4) 用纸袋代替塑料袋(plastic bags) |
个人观点 | … … |
要求：1. 表达清楚，语法正确，上下文连贯；
2. 短文必须包括表格中提示的所有要点，并作适当 发挥；
3. 词数：100左右；
4. 短文中不得出现真实的人名、校名等相关信息。
How to go green
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