Peter and nick are cousins 改为一般疑问句

Peter and nick are cousins 改为一般疑问句 Nick and Peter are happy(改成一般疑问句） nick and peter are helpful改成一般疑问句 Nick and Andy are classmate.[改为一般疑问句】 peter and Tom are plsying chess.改为一般疑问句 不知道如何转换句型.怎样把句子转换为一般疑问句Nick and peter are happy.lily is tall Peter and his brother are from the USA改为一般疑问句 My cousins like ice cream.(改为一般疑问句) peter and nick are ___（twin） ___(brother) I am peter 改为一般疑问句是什么 Peter wants some water.改为一般疑问句 Chris and Nick have baseball bats.变一般疑问句（ ）Chris and Nick( )