They've gone to the USA by air.(同义句转换）They _____ _____ to the USA.
问题描述：
They've gone to the USA by air.(同义句转换）They _____ _____ to the USA.
答
She has flown to the USA. She flew to the USA. She took a “She has gone to the U.S.A by plane.”“She has taken a plane
答
They took plane to the USA
take plan 就相当于 by air 乘飞机的意思
答
They (have flown) to the USA.翻译：他们已经乘坐飞机去美国了.因为这里“They've gone to=They have gone to",因此这里是现在完成时,又因为”by air"是“乘飞机”的意思,因此要填“have flown“.by air 乘飞机；通...