Cousin,cousins,sisters是什么意思?急

Cousin,cousins,sisters是什么意思?急 cousins? cousin可数吗?BOb has two cousin还是two cousins?哪个对?如果可数,那么BOb has two cousin对吗 my cousin does well in english 同义句转换,答案为什么是复数?my cousins are good at english) ：cousin cousin My uncle's ________ is my cousin.A.son B.daughter C.A and B ____C____ is my cousin.为什么选C 如果选C应该是My uncle's son and daughter are my cousins () is your pen?it's red .() is the girl over there she's my cousin.Where()her pencil-case?Mary ()a student.Her parents ()teacher.() they your cousins?Where()i?you ()in your bed.Where () his dictionary and books? These are her aunt and uncle and those are her __1__.She loves __2__ family.( )1.A.Cousin B.cousins C.cousines( )2.A.her B.she C.she's Gina and Anna are cousins的同义句是什么这是填空题.题目是这样的：Gina is Anna's_ _..后面是两个空啊两个空.不能只填一个Cousin吧. This is my siste 改为否定句 cousins怎么读 cousins怎么读 cousins的名词所有格 cousins什么意思,急 Norman Cousins是什么意思 We are first cousins. intellectual cousins 是什么意思