--- Jack , could you tell me ________ ?
----Sure . In the post office on Green Road ,
A. where you bought the stamps
B. where did you buy the stamps
C. when you bought the stamps
Tell Tom ___________ speak when watching the birds.
| A．to try to | B．try not to |
| C．not try to | D．to try not to |
The woman does some cleaning every day, because she wants to keep the house_____________.
| A．clean | B．cleaning |
| C．from cleaning | D．cleans |
He went carefully through his homework_____________make mistakes.
| A．so that | B．in order to |
| C．in order not to | D．in order to not |
_____________ advice you gave me yesterday!
| A．How useful | B．What useful |
| C．What a useful | D．How a useful |
— Don’t be late for class again, John!
— Sorry, I ____________.
| A．don’t | B．do | C．will | D．won’t |