你好 I don't think koalas are cute.我认为树袋熊不可爱.主语：I don't thinkthink是主句的谓语宾语从句： koalas are cuteare是从句中的谓语 所以有两个动词.若有疑问及时追问,如满意请点...应该是主句吧对，写错了，不好意思 I don't think是主句。