題目列表(包括答案和解析)
We should keep our earth ________.
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|
A .clean |
B .cleaning |
C .to clean |
D .cleaned |
Don’t put off ________ the room.
A.clean
B.cleaning
C.to clean
D.cleaned
--How long did you spend the classroom?
--Half an hour.
A.cleaning B.cleaned C.to clean D.cleans
It's my turn ________ the blackboard today.
[ ]
It's my turn ________ the blackboard today.
[ ]
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