根据句意和单词首字母提示写单词。

1. There are many apples o________ the tree.

2. Is that a TV o________ a computer?

3. Is it a map o________ Shanghai?

4. You can't see the balls because they are b________ the sofa.

5. Who's the man n________ the window?

6. Please t________ these new books to your classroom.

7.—Where's my cat?

   —It's on the f________.

8. Look! The soccer ball is u________ the chair.

9. Please put the table b________ the two chairs.

10. There are two doors i________ the wall.