问题
The floor is clean and dry now. Who _______?— Sorry, I don’t know.
A:mopped it up
B:has mopped it up
C:has mopped up it
D:mopped up it
B:has mopped it up
C:has mopped up it
D:mopped up it
正确答案是：
同类题型
Let’s talk __________ the weather.—OK.[ ]
I was born _________ Nanjing _______ a warm spring afternoon. []
How dangerous! — Yes. I think the policeman should stop the children soccer in the street.
are the Olympic Games held? —Every four years. [ ]
The present ______ my classmate gave me ______ more than 5 yuan.[ ]