摘要： -John, will you please the blackboard now? It’s your duty. -OK. A. not clean B. not to clean C. to clean D. clean
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—John, will you please _______ the blackboard now? It’s your duty.
—OK.
—OK.
[ ]
A. not clean
B. not to clean
C. to clean
D. clean
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B. not to clean
C. to clean
D. clean
---John, will you please ______ the blackboard now? It's your duty.
---OK.
- A.not clean
- B.not to clean
- C.to clean
- D.clean