1、第二课时一、单项选择。()1. This is _ new school.A. weB. ourC. us()2. _ Because I have a toothache.A. When do you see the doctor?B. How do you see the doctor?C. Why do you go to see the doctor?()3. We _ make the air dirty.A. shouldB. shouldntC. dont()4. Lets go out to play, Su Nan. Im sorry, I _ do my homework
2、first.A. have toB. canC. dont()5. We should do _ for our earth.A. somethingB. someC.what二、看图, 用We should 或We shouldnt 写句子。1. _2. _3. _4. _5. _答案：一、1. B2. C3. B4. A5. A 二、1. We shouldnt cut down trees.2. We shouldnt pick flowers.3. We should plant more trees.4. We shouldnt waste water.5. We should care for the animals.
