I saw a woman running toward me in the dark.Before I could recognize who she was,she had run back in the direction______ she had come.
---You could have asked your brother for help. He is good at math. ---Yes. A whole day________ .
---Does your brother always work so hard? ---Yes.______ he catches a cold or has a fever sometimes
---Was Tom there when you arrived? ---Yes, but he _______ home soon afterwards.
What chance ______ of taking an earlier plane?
Standing on top of the building, ______.