have you ever visited the new sea world in the city?Yes,I on the first day it opened
问题描述：
have you ever visited the new sea world in the city?Yes,I on the first day it opened
A.have been there B.visited it C.have seen it
——_____hard work you have done!
——It`s very kind of you to say so.
A.What B.How C.What a
答
B
A
work不可数名词为什么第一个选Bon the first day it opened这就是说指的过去的某一天，就用一般过去时。如果是for the first day it opened就用完成时态