28．-Who cleaned the blackboard yesterday, Dick?- John A．cleaned B．does C．did D．is 【查看更多】

 

題目列表(包括答案和解析)

--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．cleaned

B．does

C．did

D．is

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