这周末我们准备出去吃晚餐庆祝生日。
We're planning on ___going out for dinner to celebrate the birthday this weekend.
听说他们正在约会,已经交往三个月了。
I heard they've been ___going out for three months now.
突然停电了,我们不得不点蜡烛照明。
The lights ___went out suddenly, so we had to light candles.