单项选择题
They are going to erect(树立) a monument ______ memory of the men who offered their lives in defense of their country.
单项选择题 When the good news that our football team won the championship, the hall was at once ______ great joy.
单项选择题 The people there seized the thief ______ the collar and took him to the police station.
单项选择题 We went ______ our plan carefully before we carried it out.
