4. Complete the sentences taking into account the verb into parentheses and the words WHILE AND WHEN. Complete las oraciones, tenga en cuenta el verbo entre paréntesis y las palabras
WHILE Y WHEN.

1. We (sit) at the breakfast table when the doorbell (ring).
2. He (meet) a lot of friendly people while he (work) in California.
3. When they (leave) the museum, the sun (shine).
4. The students (play) cards when the teacher (come) in.
5. While the children (sleep), their parents (watch) TV.
6. It (start) to rain while she (water) the flowers.
7. When I(open) the door, it (rain).
8. While Henry have) a drink at the bar, his wife (swim) in the sea.
9. He (hear) a loud bang while he (talk) to his friend.
While he (take) a shower, his dogs (eat) his steaks.