——your friends work hard?填Is 还是Do?

——your friends work hard?填Is 还是Do? learning is（ ） 填a hard work还是hard work （ ）hard work it is!是填How还是What? do hard work还是do the hard work When ____ you finish your work?填did还是do it is a hard work还是it is hard work As a student,your task is _____(work) hard.怎么填?为什么? Work hard and your f is not a dream.f填什么 Things are looking ( ) hard work it is!填How还是 What还是 What a _____ hard work it is 填什么 A good way to pass an exam is( )hard every day填to work 还是wor work hard at your lesson还是on your lesson