复数：They're under the bed.
否定句：It isn't under the bed.
一般疑问句：Is it under the bed?
肯定回答：Yes, it is.
否定回答：No, it ,isn't.
划线部分提问Where is it?
翻译：
1. Is she you sister? No,she isn't.
2. Where are the pen? They're in the pencilbox.
3. Is your E-game on the bookcase? No, it's on the desk.
4. Please bring them to your mother.
5. Can you bring them to school?
6. I need a hat,two dictionaries and a notebook.