11. The cell phone ______ (ring) when I ______ (take) a shower.

12. It ____(begin) to rain when I _____(walk) home.

13. We _____ (see) an accident when we _____ (wait) for the bus.

14. The children _____ (sleep) all night.

15. The car____ (make) strange noises all the way home.
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