Don't keep the water running when you wash your hands.____________
A.I hope so B. I'm afraid not
C. Sorry, I won't D it's nothing
Why don’t you _____ to cassettes?
A. listening B. listen C. listened
What _____ reading aloud to practice pronunciation?
A. of B. about C. around
____ do you study for tests? I work with my friends.
A. How B. Who C. When
I study math by ____ lots of exercises.
A. did B. doing C. do
Nobody says a word about the accident, ______?
| A．does he | B．doesn’t he | C．do they | D．don’t they |