1.My father likes pears and my mother likes-----,too.A.them

前面的pears泛指梨,所以用复数后面选it来代替前文中的pears ,这时语义为也喜欢梨,将pears看做一个整体,所以用it。如果将题目改成 My father likes the/these/those pears and my mother likes them,too这里就可以用them来代替前文中特指的the/these/those pears了。