Marcia's hobby is keeping pets.She has had more than 20 _ them.怎么翻译,为什么添of
问题描述：
Marcia's hobby is keeping pets.She has had more than 20 _ them.怎么翻译,为什么添of
答
Marcia的爱好是养宠物,她已经养了超过20只了
them是代词,指代宠物,所以前面用of