1. —Where is my baseball?
    —It's u_____ the sofa.
2. My book is in the b_____.
3. ─Is the C_____ in the drawer?
    ─Yes, it is.
4. ─Where is my bag?
    ─Sorry, I don't k_____.
5. ─Is the pencil i_____ his bookcase? 
    ─No, it isn't.

1.—Where's my baseball?
   —It's on the f_______, under the table.
2. Please put the desk b_______the sofa and the dresser.
3.—Where is my c_______?
   —It's under the table.
4.—W_______ is my backpack?
   —It's on the sofa.
5.—Where are my books?
   —I don't k_______.
6. Look! The soccer ball is u_______ the chair.
7. Some p_______ are on the wall.
8. Please t_______ these books to the classroom.
9. The video t_______ is on the table.
10. Can you b_______ these books to school?