.Look! The students _____ the classroom.
A.clean B.are cleaning C.are clean
Although Tina is as _____ as Tim, she runs _______.
A. tall, faster B. taller, fast C. tallest, fastest
I want to go with you ,______ I have to take care of my little sister at home.
A. and B. but C. Or
---How far is it from your home to the supermarket?
--- About twenty-five _____ walk.
A. minutes B. minutes’ C. minute’s
---Where is _____ English book?
---I’m sorry. I have taken ____ by mistakes.
A. my, yours B. her, her C. my, you
The building has ____ floors. And John lives on the ____ floor.
A. twelve, twelve
B. twelve, twelfth
C. twelfth, twelfth