He aways be late is serious problem.如何改错

He aways be late is serious problem.如何改错 He is often late to school.改错 There occured a serious problem.改错 请问"He is awake to the serious problem."与"He awakes to the se He is busy to work out the difficult problem. 改错 The problem ( ) next week is very serious. This is very serious problem什么意思 serious problem 改错:the reason why he is always late for class 求翻译why is he late?he may be busy he never be late for school是否等于he is never be late for schoo 句子改错：what problem you have ,you can aways come to me for hel