Do you know at the bus stop? A. whom are they waiting for B.who are they waiting for ——青夏教育精英家教网—

摘要： Do you know at the bus stop? A. whom are they waiting for B.who are they waiting for C. whom they are waiting for D.who they are waiting ( ) 22 –It our duty the environment. A. to protect B. protecting C. protects D. protect

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Do you know ______ at the bus stop?

A. whom they are waiting for B．who they are waiting

C． whom are they waiting for D．who are they waiting

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Do you know ________ at the bus stop?

[　　]

A．whom they are waiting for

B．who they are waiting

C．whom are they waiting for

D．who are they waiting

查看习题详情和答案>>

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