Раскройте скобки, поставьте глагол past continuous.
When the phone rang, she (write) a letter.
While we (have) a picnic, it started to rain.
Sally (work) when Joe had the car accident.
While John (sleep) last night, someone stole his car.
Last night at 6 p.m, I (eat) dinner.
I(study) while he (make) dinner.
While Ellen (read), Tim (watch) television.
They (eat) dinner, (discuss) their plans and (have) a good time.