Mike did the homework _______ it took me.

I had just stepped out of the bathroom______ I heard the steps.

I didn’t go to the party _________my homework last night.——Oh! ___________

As(正如) the old ___________ goes, “Time waits for no man!”

— Cathy, I have cleaned the room for you.— Thanks. You _____ it. I could manage it myself.[ ]