摘要： Clean blackboard, please.

网址：http://m.1010jiajiao.com/timu3_id_2660397[举报]

Please don't get the blackboard _____. I haven't finished taking notes.

A. cleaning
B. cleans
C. to clean
D. cleaned

查看习题详情和答案>>

—_____ clean the blackboard?

— No，I can't．I'm too busy now．

A．Are you going to B．Could you please C．Do you

查看习题详情和答案>>

---John, will you please ______ the blackboard now? It's your duty.
---OK.

A.
not clean
B.
not to clean
C.
to clean
D.
clean

查看习题详情和答案>>

—John, will you please _______ the blackboard now? It’s your duty.
—OK.

A. not clean
B. not to clean
C. to clean
D. clean

查看习题详情和答案>>

—Jane, could you please _________ the blackboard now? It's your duty.

—Yes, sure.

A. cleaning B. to clean C. clean

查看习题详情和答案>>