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。 opened ( ) are divided ________ five groups. A. in B. into C. as D. with 三、 把下列句子改為被動語態(tài)。 ( )1. — Michael Jackson was called the king of pop, wasn’t he? — Of course. He by people all over the world. A. was looked up B. was looked up to C. looked up D. looked up to ( )2. — Was table tennis invented by the Ch