按要求改变下列句子。
1. I have some nice books.（否定句）
2. My name is Lily.（用 what 提问）
3. This is Peter's bag.（用 whose 提问）
4. This is a pencil.（一般疑问句）
5. Mike is under the big tree.（用 where 提问）
6. Four peaches are on the table.（用 how many 提问）
1. I don't have any nice books.
2. What's your name?
3. Whose bag is this?
4. Is this a pencil?
5. Where is Mike?
6. How many peaches are on the table?