第1个回答 2009-08-08
He had already gone to America.他已经去了美国
He had gone to America.他过去去过美国
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第2个回答 2009-08-08
He had gone to America 或者He had gone to the USA.
第3个回答 2009-08-08
He had been to the America
第4个回答 2009-08-08
He has gone to USA.
第5个回答 2009-08-08
He had been to U.S.A