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Although I admire you _____ your work on soil, I think you should apologize _____the villagers for the water pollution.

Washington, a state in the United States, was named _______one of the greatest American presidents.

Mary gave Jack so much help that he gave her some roses ______ for her kindness.

Apart from the shortage of water and food, the survivors in Haiti are _______the terrible plague(瘟疫).

---- He admitted         in the examination.
---- That’s why he was not admitted         universities or colleges.

Director Zhang Yimou often has his films _______ local contents, which foreigners are not familiar ______.

Professor Wang introduced us a new approach ________ learning a foreign language at yesterday’s meeting.

Mr. Smith likes traveling _______; but his wife enjoys _______. 

We must not get discouraged ________such a minor setback (挫折).

Teaching and learning are parts of the same educational experience, but unfortunately they are often thought of ___________ separate.