He is quite sure that it's ________ impossible for him to fulfill the task within two days.

A) absolutely C) fully
B) exclusively D) roughly
选A，总是分不清这几个单词的语气，能详细解释一下吗？谢谢

______ he said is quite right. He sure is.中的sure用法是什么?He sure does.对吗？ He is quite _ math,but he never drops it. He is quite _ math,but he never drops it The place he ________ is quite far from here. He is sure to get well soon.This sentence means____. he sure is是什么意思? 怎么解释句子构成? I am very sure he is a teacher My mother is sure of that he will come. he sure is和sure,he ie 中的sure各指什么意思，什么词性，它们俩是一样的意思吗？