第22题: [单项选择]If you want ______,you should speak slowly and clearly to the listeners. A. to be understood B. to understand it C. understanding D. to understood 参考答案:A 答案解析:[解析]本题考查实义动词的被动语态。本句意为:如果你想让 (被)听众听懂,你应该…,需用被动语态,又因主语是人时,want后面加不定式作宾语;want后面加动词-ing形式也表被动,但其主语多是事物,