---What do you ______ the waste bottles?---We can sell them instead of throwing them away.
Using _____ illegal drugs can lead to health problems, and it can be _____ stain on one’s life.
—Sorry indeed, I ________ to your birthday party if …—Forget it. I know you were out on business.
—Another cup of coffee? That’s your third since lunch.—Yeah, well, I ____ all night preparing for my history exam. I can hardly keep my eyes open.
—What’s up? You look down. —I have piles of papers ________, but I type so slowly.
We must apply what we have learned to our daily work because in no case _____ from practice.