1) What he likes is（踢足球）.


2) We must improve our（工作条件）.


3) I know your job is（开动机器）, but today the task for all of us is（打扫庭院的清洁）.


4) Mr. Smith will make an（开幕词）.


5) The United Nations has decided to send（维持和平的部队） there.