Ⅰ. 判断下面句子是简单句、并列句还是主从复合句
1. Tom is a handsome young man.     (简单句)
2. He is old,  but he is energetic.     (并列句)
3. We’ll let you know if he comes.     (主从复合句)
4. I find this trip very exciting.  (简单句)
5. We think that this film is very interesting.     (主从复合句)
6. I gave him a book just now.  (简单句)
7. He didn’t go to school yesterday because he was badly ill.  (主从复合句)
8. She likes listening to music.    (简单句)
9. I didn’t know why he was absent again.  (主从复合句)
10. Would you like a cup of coffee or shall we get down to business right away?     (并列句)