If you plant watermelon seeds in the spring，you ________ fresh watermelon in the fall.(2010·浙江)

Mother keeps telling her son not to get off until the bus .

Only when he arrived home _____ that he had left his key in the office.

not even drink water at night,_______ swallowing insects possibly floating on the surface

I need something for cutting the paper.— Oh, you want a knife OK, I’ll get ______ for you.