It’s too late. I have to go now. —Oh, it’s raining outside. Don’t leave it stops.

u notice Tom was busy all day in his office—Oh, yes, he has just finished his business tour ofChicago He has a lot of work to ___

Let me the things for you.

So hard-working _____ that hesets a good example to all the other classmates

the long-term effects of global warming some believe that the damage has been done, ______________________.