Its' time for work work能当名词吗,不用动名词

Its' time for work work能当名词吗,不用动名词 Its time( )work 中间填什么 Work expands so as to fill the time available for its work的名词是work吗? we work for a long time.for? work名词 work的动名词是什么? for,work,what time,you,do,start? we work for a long time. What time do you leave for work . He_________(work) there for a long time work是可数名词吗