It was announced that only when the fire was under control _______ permitted to return to their homes.
Today,we will begin ________ we stopped yesterday so that no point will be left out.
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.