摘要：25．-The window is dirty． -I know．It for weeks． A．hasn’t cleaned B．didn’t clean C．wasn’t cleaned D．hasn’t been cleaned
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―The window is dirty．
―I know．It for weeks．
A．hasn’t cleaned B．didn’t clean
C．wasn’t cleaned D．hasn’t been cleaned
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The window is dirty．
I know．It ________for weeks
[ ]
A．hasn't cleaned
B．didn't clean
C．was't cleaned
D．hasn't been cleaned
-------- The window is dirty.
--------- I know. It __________ for weeks.
| A．hasn’t cleaned | B．didn’t clean |
| C．wasn’t cleaned | D．hasn’t been cleaned |
--The window is dirty.
----I know. It ______ for weeks.
| A．hasn’t cleaned | B．didn’t clean |
| C．wasn’t cleaned | D．hasn’t been cleaned |
---The window is dirty.
----I know. It ______ for weeks.
| A．hasn’t cleaned | B．didn’t clean |
| C．wasn’t cleaned | D．hasn’t been cleaned |