—Have you heard from Nelly recently?
— Yes, I _________ his letters and cards many times while I was in Italy.

I really didn’t know who ______ for the broken window, for none of them admitted that he had done it.

My uncle ________ to see me. He'll be here soon.

Mr. Li, who _____ his whole life to education, is retiring next month.

—Where did you go on National Day?
—Jiuzhai Valley. I ______ to go to France, but the expense was too high.

— Can you come to my birthday party tonight?
— I’d love to, but I______ on a patient at 6 o’clock.

–There will be a talk show this time tomorrow. Would you go with me ?
--I’m sorry,but I _____an important meeting.

At present , the butter factory is still polluting the river though it _____to stop.

I don’t really work here; I ______ until the new secretary arrives.

She was surprised to find the fridge empty; the child _________ everything!