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- Tom, can you help me _______ the homework to your classmates?-Of course. I’d love to.
- We must______ using plastic bags in order to protect our earth..
- English is too hard for me to study well. I don’t want to learn it any more.-Don’t . It is useful in the future.
- Scientists are trying to ways to treat the terrible disease called H7N9.
- During the earthquake, many buildings fell down. But the people there didn’t hope.
- My grandfather was badly ill, so we asked him _________ smoking.
- My father has decided to ________ smoking.—That’s good news for us.
- It’s time for test. Be quiet, please. I’m going to _____ your test papers.
- Don’thope. I’m sure things will be better.
- Mom, I have great trouble with my math. —Never __________ and you will learn it well.