_______you work,________grades you will get.
| A．The harder;the good | B．The better; the harder |
| C．The harder;the better | D．The good;the ha |
He__________his homework at schoo1．
A．doesn’t do B．don’t does C．isn’t do
Do you have two___________?
A．tennis racket B. tennis rackets C．tennis’racket
______．Is this your pen?
A．Sorry B．Hello C．Excuse me
We don’t like_______．
A．broccoli B．broccolis C．a broccoli
This is _______ alarm clock．
A．a B．an C．the