Would you like __________ orange juice? —No, thanks. There is __________ in my bottle.

Three problems are too hard to . Will you give me some advice? —-There are many ways. The mostt important is to have a careful plan.

He looks so tired ______ too much computer work.[ ]

Will you please help me to repair the computer now? —Sorry. I’m too busy and I haven’t a minute to ________.

Do you know sound travels very fast? — Yes. But light travels sound.