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
The man _____ is making a speech is our new headmaster.[ ]
Is this kite ________? –No, it’s mine. It’s made by ________.
A: How many students can you see in the reading room?B: _______________.
What did the foreigners____their vacation?
The monument ____ those heroes stands ____ the foot of the mountain. [ ]