Perhaps the greatest painter in our country in the past century, Wu Guanzhong, he specialized______ impressionist and abstractionist schools of art.
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This view seems to be peculiar______ our culture which traditionally tends to describe the nation as a large family.
Our homework is always piling ______ .And the teachers, for their part, are also constantly complaining of endless exercise-books coming in.
Because of his nervousness, he kept shaking my hand and wouldn't let go______ it.
That economist is speaking______ behalf of the rich.