1) They (play) cards when the postman (come).

2) I (sweep) the floor when I (hear) a noise.

3) She (watch) TV when the doorbell (ring).

4) We (hear) a cry and (run) into the kitchen.

5) First Sam (buy) the newspaper and then he (take) the plane to Chicago.

6) Susan and Sally (play) tennis when it (begin) to rain.

7) I think she (wear) her new hat when I (see) her at the zoo.

8) A lot of children (wait) at the station when the star (arrive).

9) They (have) their supper when they (hear) about the accident.

10) When the phone (ring) mum (work) in the garden.