六、选择(每小题1.5分，共计30分)

( )1. I can throw the basketball ____ the net.

A. in B. on C. at D. of

( )2. Everyone in the living room _____ quiet.

A. am B. is C. are D. of

( )3. Is that cold_____ hot?

A. in B. on C. or D. with

( )4. Can you teach me _____ basketball.

A. to play B. play C. plays D. playing

( )5. ______ is exercise.

A. Running B. Run C. Runs D. To run

( )6. ___ do you eat supper? Twice a week.

A. How long B. How far C. How often D. How old

( )7. It is not my pen. It is ______.

A. your B. yours C. my D. mine

( )8. Do you have____balls?

A. some B. any C. a D. an