My parents are now visiting my sister.是什么结构?完整的句子是：My parents are now visiting my sister in the United States.因为很好奇,visit已经是动词,为什么前面还要用be动词呢?

My parents are at work now.的同义词是什么? My parents are at work now.的同义句My parents ____ _____now. my parents are busy now同义句 ____my father _____my mother are _____ ____now My parents are my()and () ( ) (63) My parents ____________ at home now.A.both are B.are both C.all are D.are all ________my mother is retired.my father is a manager.a:what do your parents do?b:where are your parents?c:what are your parents doing right now? My parents and i are live in a big house now哪错了 My parents and l are live in a big house now 那错了 My parents and I are live in big house now.找出句中错误 My parents are busy now（同义句） ___my father___my mother are___ ___now. My parents are at work now（该为同意句） My.parents.( ) (Water) the.My.parents.( ) (Water) the.vegetable.now A:_______?B:My father is a manager.My mother is a nurse.AWhat do your parents doBWhere are your parentsCWhat are your parents doing right now My parents are now visiting my sister.是什么结构?完整的句子是：My parents are now visiting my sister in the United States.因为很好奇,visit已经是动词,为什么前面还要用be动词呢? My parents are doctor 还是My parents are both doctors There are my parents对吗 My parents are b____English teachers ”My parents are very mixed.