Replace the underlined words with the correct form of the words below. 用所给的正确形式替换句子中的划线部分。(注意大小写,时态,单复数等词形变化) etiquette exhaustive expletive highbrow informant initially reciprocate semantics stigma 1 Cultural and intellectual programmes tend to be broadcast very late in the evening. ( ) 2 At the beginning I was very shy, but I soon got to know everyone and made friends. ( ) 3 The course I enjoyed most when I was studying linguistics was the one on the relationship between words and meanings . ( ) 4 To find out more about English as a world language, we need reliable people who are able to give information . ( ) 5 She sent me a bunch of roses when I got the job, and I did the same when she got promoted. ( ) 6 For some men there is still a feeling of embarrassment and unease about taking orders from a female superior. ( ) 7 After the goal was disallowed, most of the words I could hear were swear words . ( ) 8 You can't speak like that to someone you don't know. It's a matter of rules of social behaviour . ( ) 9 Only after very careful and time-consuming editing will this book be ready for publication. ( )