Put the verbs into the correct form.
EXAMPLE:
Tom burnt his hand while he —. (cook, dinner)
ANSWER:
was cooking the dinner
Correct:
Incorrect:
Tom burnt his hand while he was cooking the dinner.
The doorbell rang while I was having a shower.
We saw an accident while we were waiting for the bus.
Mary fell asleep while she was reading the paper.
The television was on but nobody was watching it.