甲胎蛋白偏高怎么办:Both answers are right.（改为否定句）

Both answers are right (改为否定句 Both answers are right.（改为否定句） All the answers are not right how careless you both are! both 和are 位置关系 America and British are both western (c ) Zhan Tianyou and Yang Liwei ( ) national heroes. A.are B.all are C.are both D.is both My parents and I are both at home. 次句为什么用both? There are many on both sides of the street. There are many_on both side of the street