选出正确的句子。 | |
( ) 1. Are they sheep? | A. Yes, they are. B. No, they aren't. |
( ) 2. Are these cows? | A. Yes, they are. B. No, they aren't. |
( ) 3. Are those cucumbers? | A. Yes, they are. B. No, they aren't. |
( ) 4. Are they horses? | A. Yes, they are. B. No, they aren't. |
( ) 5. How many tomatoes are there? | A. Four. B. Three. |