BACKGROUND EVENTS
EGP #745 | A2 | PAST / past continuous Can use the past continuous to show that an event was happening in the background to the main event. Lexical range: N/A
我正在看书时，电话响了。
I ___was ___reading a book when the phone rang.
我们正在吃午饭时，火警响了。
We ___were ___having lunch when the fire alarm went off.
她正走路去学校时，遇见了她的朋友。
She ___was ___walking to school when she met her friend.
今天早上我出门时，外面正下着雨。
It ___was ___raining when I left home this morning.
他们正在看电视时，停电了。
They ___were ___watching TV when the power went out.