摘要： – Who cleaned the blackboard yesterday, Dick?-- John . A. cleaned B. does C. did D. is
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---Who cleaned the blackboard yesterday, Dick?
---John ____.
A. clean B. does C. did D. is
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--Who cleaned the blackboard yesterday, Dick?
--John ________.
[ ]
|
A ．cleaned |
B ．does |
C ．did |
D ．is |