He _____ (heard/ was hearing/ were hearing) a loud band while he _____ (talked/ was talking/ were talking) to his friend.
heard/ was talking
It _____ (started/ was starting/ were starting) to rain while she _____ (watered / was watering/ were watering) the flowers in her garden.
started/ was watering
When I _____ (opened/ was opening/ were opening) the door, it _____ (rained/ was raining/ were raining).
opened/ was raining
We ____ (sat/was sitting/were sitting) when the doorbell _____ (rang/was ringing/were ringing).
were sitting/rang
When they _____ (left/was leaving/were leaving) the museum, the sun _____ (shone/was shining/were shining).
left/ was shining
While he _____ (took/ was taking/ were taking) a shower, his dogs _____ (ate/ was eating/ were eating) his steaks.
was taking/ were eating
He _____ (met/was meeting/were meeting) a lot of friendly people while he _____ (worked/was working/ were working) in California.
met/was working
While the children _____ (slept/ was sleeping/ were sleeping), their parents _____ (watched/ was watching/ were watching) TV.
were sleeping/ were watching
The students _____ (played/ was playing/were playing) cards when the teacher (came/ was coming/ were coming) in.
were playing/came
While Henry_____ (had/ was having/ were having) a coffee at the shop, his wife _____ (swam/ was swimming/ were swimi
was having/ was swimming