1.Both of my parents ___(be) ______(医生). 2.Every one of _____(动物) ___(be) our friend.

不定代词哪些后面用单数，哪些后得用复数，请高人赐教

A child is usually ____either or both of his parents. My parents and I are both at home. 次句为什么用both? N------ of my parents speaks Chinese Of my parents mt father is____. My parents and I are__at home. 次句用both 和all 都可以吗？ My parents when mary was very young,both of her parents died,and she was _____by her grandmother Neither of my parents are at home. 这句话对吗？ my parents work hard 英译汉When I was younger,my parents made me learn piano for a period of time ,