21．---The room is too hot. Would you mind the window? ---Not at all. I’ll do it right away.A．to open B．opened C．opening D．open 【查看更多】

 

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---The room is too hot. Would you mind ________ the window?

---Not at all. I’ll do it right away.

A．to open                 B．opened                        C．opening               D．open

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