| A | B |
| having | My family was ___ breakfast in the dinner room. |
| reading | I was ____ a newspaper in the library. |
| swimming | My friends were ____ in the lake. |
| giving | The nurse was _____ her patients some medicine. |
| talking | The couple were _____ on the phone. |
| listening | Paul was _____ to electronic music. |
| paying | The students weren't _______ in class. |
| waiting | A lot of people were _____ for the bus. |
| watching | We were _____ a movie. |
| walking | Sarah found a wallet while she was _____ in the street. |