一、判断下列句子是简单句、并列句还是复合句: 1. We often study Chinese history on Friday afternoon. 2. The boy who offered me his seat is called Tom. 3. There is a chair in this room, isn't there? 4. My brother and I go to school at half past seven in the morning and come back home at seven in the evening. 5. He is in Class One and I am in Class Two. 6. He was fond of drawing when he was yet a child. 7. Neither has he changed his mind, nor will he do so. 8. What he said at the meeting is very important, isn't it? 9. The farmer is showing the boy how to plant a tree. 10. Both Tom and Jack enjoy country music.