同义句练习..(现在完成时)They went to the U.S.A.in 2000 and 2005.They____ ____ ____the U.S.A.____.

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同义句练习..(现在完成时)They went to the U.S.A.in 2000 and 2005.They____ ____ ____the U.S.A.____.
同义句练习..(现在完成时)
They went to the U.S.A.in 2000 and 2005.
They____ ____ ____the U.S.A.____.

同义句练习..(现在完成时)They went to the U.S.A.in 2000 and 2005.They____ ____ ____the U.S.A.____.
They had been to the USA twice.

had been to .....once