阅读下列短文,做出正误判断,判断正(A)误(B)。 Tom is a student. He is always absent-minded(心不在焉的)in class. His father and mother always tell him to listen to  the teacher carefully in class.  'Don't  be abset-minded  again.'  His teacher thinks a lot to change him. 'Look at us when you're in class. Don't be absent-minded.' Tom answers, 'OK. I will.' One day, Tom is in the English class. He is looking out of the window and smiling. His English teacher asks  the class.  'Say two pronouns (代词),  please.  Who can  answer my question? ' Tom  looks at his teacher in surprise and stands up, 'Who? Me?' 'Very good, sit down, please.' (     )1. Tom's teacher thinks a lot to change him. (     )2. Tom is not a good student. (     )3. Tom knows the answer to the English teacher's question. (     )4. Tom changes a lot. (     )5. Tom's teacher thinks Tom knows the answer.