(  )1. ―Are these your socks?

―__________.

   A. Yes, they aren’t.      B. Yes, it is.      C. No, they aren’t.

(  )2. It’s 9:30. It’s time _______ go to bed.

   A. for               B. to                C. in

(  )3. ―How many _______ are there? 

―There are fifteen.

   A. sheeps          B. sheep        C. sheepes 

(  )4. ―What would you like? 

―I’d like some ________.

   A. potato            B. potatos           C. potatoes

(  )5. This is _____ carrot. That is _____ onion.

   A. a, a            B. an, a          C. a, an

(  )6. ―Where is the teachers’ office? 

―It’s ______ the second floor.

   A. on               B. at                C. in

(  )7. Let’s go to the _________ to play football.

    A. playground         B. classroom        C.TV room

(  )8. ―_________ skirt is this?  

―It’s Chen Jie’s.

   A. How much       B. What colour        C. Whose

(  )9. ―Are they hens?  

―Yes, ________.

   A. it is            B. they are            C. they aren’t

(  )10. There ________ twenty ducks on the farm.