1．(2015·浙江，10改编)Most people work because it's unavoidable.________contrast, there are some people who actually enjoy work.
答案：By by contrast“相比之下”。句意：大部分人工作是因为它是无法逃避的。而相比之下，有些人工作是因为的确享受工作。
2．(2015·浙江，17改编)These comments came ________response to specific questions often asked by local newsmen.
答案：in in response to“回应”。句意：这些评论出现是为了回应那些当地新闻记者经常问到的具体问题。
3．(2015·湖北，30改编)This meeting room is a nonsmoking area. I would like to warn you ________advance that if you smoked here you would be fined.
答案：in in advance提前。句意：会议室是非吸烟区。我想提前警告你：如果你在这儿吸烟的话。你会被罚款的。
