第1个回答 2016-03-12
他们已去了美国五年了。
They have been in America for five years.
They have been in America for five years.
第2个回答 2016-03-12
they have been in the us for 5 years
第3个回答 推荐于2017-10-23
They have been in America for five years.本回答被提问者采纳
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