变一般疑问句：1. I want to pass the test?2. He studied German.3. She likes swim.4. They do homework everyday.变否定句1. I want to go to the concert today.2. He likes learning English.3. Many students heard the song.4. Open your books.作出肯定回答与否定回答。1.- Do you like Beijing?2. Does he go to school by bike?3. Did you read the book? (一) 用适当的情态动词填空。1. Must I stand up? No, you _.2. _ I speak something? Yes, you _.3. _ I le
