English pronunciation must be taught; the teacher should be prepared to devote some of the lesson time to this, and his whole attitude to the subject should get the student to feel that here is a matter worthy receiving his close attention.
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【正确答案】 1、正确答案：固定搭配中的介词缺失，应在worthy后面加of。    
【答案解析】解析：worthy一词的用法是：be worthy of(doing)sth．，意思是“值得……”，其中介词of不可以省略。