摘要： floor
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— The floor is clean and dry now. Who _______?
— Sorry, I don’t know.
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— Sorry, I don’t know.
| A．mopped it up | B．has mopped it up | C．has mopped up it | D．mopped up it |
— The floor is dirty. Would you please _?
— With pleasure.
| A．mop it up | B．mop up it |
| C．to mop it up | D．to mop up it |
The floor is very dirty. Will you please ______?
| A．mop it up | B．mop up it | C．to mop it up | D．to mop up it |
---Which floor do you live __________?
---The first floor. I live _________ Room 112.
| A．in / on | B．on / on | C．on / in | D．in / in |
--Which floor do you live_____? --The first floor. And I live ________Room 2046.
| A．on; in | B．on; on | C．in; on | D．in; in |