病句诊所1All them work very hard.2The supermarket opens 24 hours

The supermarket opens 24 hours opens和is open的区别 The supermarket ____ 24 hours.应该填哪个?为什么? 小题1:After 8 hours’ hard work, all the workers were hungry an you work long hours,very hard It took them three hours ______ the hard work A.finish B.fin The supermarket opens 10 hours every day.（对划线部分提问） The students work very hard. they all work very hard [ ] [ ]填空 The work is very hard.It s__ impossible for them to finish The supermarket ____ (open) 24 hours. They work very hard all the year round and have saved a lot The workers in the supermarket are very friendly,they work .