Linda is fifteen __________. She is in Class 1, Grade 9.
| A．year | B．years | C．years old | D．year old |
How big are your____?
A．foot B．feet C．foots
Do you know the name the girl?
A. inB. on C. of
-__________snakes love music? -No，they are deaf.
A. Does B. Are C. Do
- on the desk？
-Yes, it is.
A. What's B. Where is C. Is Bill's bag
These are our books. Please look after_________.
A. their B. they C. them