英语翻译1、I think it is our duty to work hard to achieve this go

It takes hard work to achieve success. It is our duty to ＿（study） hard. .___ is our duty for us young adults to work hard at our les I think it our duty to study.I think it complete ① I think it my duty to do sth.和 i think it IS my duty to do it is our duty to do I think it's our duty to keep our environment clean and tidy 英语翻译That all the students think it their duty to study hard It.is.our.duty.to.try.our.best.to.deal As a student ,it's our _____ to work hard.是填job呢还是填duty呢? we think it our duty to help others为什么不加IS啊 I think it hard to learn English well if we don't work hard