The professor walked onto the flatform and seated himself in a chair ,___for answering questions.横线上填的词是“准备”,怎样用?

The professor walked onto the platform and seated himself in a chair ,( ) for answering questions.A had preparedB being preparedC preparing D prepared The professor walked onto the platform and seated himself in a chair,_____for answering questions.A.had preparedB.being preparedC.preparingD.prepared答案是D诶…… The professor walked onto the flatform and seated himself in a chair ,___for answering questions.横线上填的词是“准备”,怎样用? The Professor音标?RT he walked around the The professor walked onto the platform and seated himself in a chair,____ for answering questions.A.had prepared B.being prepared C.preparing D.prepared为什么选D 而不选C .选C非谓语动词主动式. professor THE PROFESSOR AND THE MADMAN怎么样 We walked back to the hotel 对walked提问 Who is the husband of professor Xuyoucai ? 飞天老爷车 THE ABSENT MINDED PROFESSOR怎么样 The professor wrote an e_____ on Homer whereis the professor from?回答是什么? In the lecture hall___ .A.a professor seats B seats a professor C sits a professor Da professorsits One day Goldlocks walked in the forest They walked slowly along the road. time has past I walked liked the 求:I walked across the park．