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【例15】 The book is worthy ________ again because it is very instructive. A．reading B．to read C．to be read D．of reading 答案 C 8．表示“需要”的动词need，want，require或动词deserve(“应受，应得，值得”)后的动名词用主动式表被动意义。 【例16】 As a result of the serious flood，twothirds of the buildings in the area________. A．need repairing B．needs to be repaired C．needs repairing D．need to repair 答案 A 注：这些动词后的动名词若改为不定式则要用被动式。 【例17】 His deeds deserved ________. A．to praise B．being praised C．to be praised D．having been praised 答案 C 四、不及物动词和有些及物动词(短语)无被动语态 常见的有occur，take place，happen，break out，belong to，appear，disappear，cost，last，agree with等。 【例18】 Great changes ________ in the city and a lot of factories ________. A．have been taken place；have been set up B．have taken place；have been set up C．are taken place；are set up D．were taken place；were set up 答案 B 【例19】 I don't think the watch ________ much，which is ________ 30 dollars at most. A．cost；worth B．worthy；worth C．cost；cost D．worth；cost 答案 A 【例20】 In a struggle ________ for many years，the Aborigines claimed equal rights for all Australians，but the Australian government didn't pass laws to strengthen the rights until the 1960's. A．that lasting | 
