1Choose the correct words: Look! ___ a cat under the table.
2Choose the correct words: Look! ___ three ducks on the pond.
3Choose the correct word: There is ___ teacher in the classroom.
4Choose the correct word: There is ___ orange in the lunchbox.
5Choose the correct word: There is ___ milk in the glass.
6Choose the correct words: The library has hundreds of books. There are ___.