we only have an hour of work left,这句话怎么理解,后面那个we only have an hour of work left,这句话怎么理解,后面那个left不是左边的意思吗?

英语1.we only have an hour of homework every day .2.we have an hour for lunch.请问1.2句式能互换吗?即 we have an hour for lunch =we have an hour of lunch.3.Amy and Simon are reading some postcards (from their friends.)请问括号内能否 we only have an hour of work left,这句话怎么理解,后面那个we only have an hour of work left,这句话怎么理解,后面那个left不是左边的意思吗? We only have half an hour of homework every day,这句话的同义句是什么We only have half an hour of homework every day,这句话的同义句是什么 下面用法不同处?We only have half an hour （of） homework.We have an hour （for） lunch.括号里的为什么要用of不用for为什么要用for不用of》./?/? We often have basketball ____ an hour after school. We still have half an hour to go anyway We have an hour for lunch等于什么 we walked 什么 an hour We have an hour for lunch.(提问) ( )( )( )do you have for lunch only a quarter of an hour left We're having a meeting in half an hour.为什么是having如果We have a meeting in half an hour可不可以 The plane is ------ in an hour .We have to take a taxi to the airport In an hour,we travel to places what would have taken our ancestors days to reach. After class,we have basketball --an hour?A to B for C on D in理由 we have an hour to find the gift.为什么加to We have only one We have taken some m____to look for the lost boy.We can find him in an hour. we walked () an hour 填介词