情景选择。1. 早上，你见到老师怎样打招呼：[ ]A. How are you?
B. Good morning, Mr Gao.2. 老师夸奖你把教室打扫得很干净，他说：[ ]A. Thank you.
B. Good job.3. 上课时，老师提醒大家看黑板，会说：[ ]A. Look at the blackboard.
B. Are you OK?4. 你介绍新朋友Bob给大家认识，会说：[ ]A. This is Bob.
B. He is Bob.5. Wu Na向希望工程捐赠了一些文具，叔叔阿姨向她表示感谢，说：[ ]A. Thank you so much.
B. You are great.1. B 2. B 3. A 4. A 5. A