【单选题】If Tom’s wife doesn’t go to the party, .
【判断题】The ill and physically unable people can remain seated when being introduced.()
【单选题】No matter how bright a talker you are, there are times when it's better ________ silent. [ ]
【单选题】Mr. Black often _____ fishing on Sundays, ____he?
【单选题】Some people prefer to remain anonymous when they call the police to report a crime.
【单选题】####单元格的数字,日期,或时间比单元格( )
【单选题】It is required that passengers remain ________ when the plane is taking off or landing.
【单选题】It is not easy to remain tranquil when s suddenly change your life.
【简答题】When trapped in a burning building, survivors can remain calm and ______to find out where to escape for life.