We wanted to get home before dark, but it didn't quite as planned.
He had his camera ready ________ he saw something that would make a good picture.
I travel to the Binhai New Area by light railway every day,________ do many businessmen who live in downtown Tianjin.
Jack wasn't saying anything,but the teacher smiled at him ________ he had done something very clever.(2011·湖南)
—Did you return Fred's call?—I didn't need to ________ I'll see him tomorrow.
Leave your key with your neighbor ________ you lock yourself out one day.(2012·辽宁)