这个是英语名词短语吗pollution exposure at home and work is often great

这个是英语名词短语吗pollution exposure at home and work is often great my father comes home farm work and he is often Jane often dose her home work [at school]对括号内的短语提问 do home work是不可数名词吗? at home 是介词短语吗? To do this she had to work,and so was often not at home 中的最后 He is at home now,maybe.这个句子中at home now是状语吗 home in at home and work in begin work 是什么意思? she is at work 这里的at work 做表语 ,at work 是形容词性短语吗 ,请知道的赐教一下! Sam is not at home.He and his family ()(visit)the Great Wall “situation both at home and abroad”里面的home和abroad难道是名词?可是abr Why does he often stay at home?-Because he is new and has __