请问“I had completed work,having a holiday"这句话对不对?

请问“I had completed work,having a holiday这句话对不对? Lucy had already completed the project when I arrived.改为一般疑问句 1.Lucy had already completed the project when I arrived.（改一般疑问） are you still reading the newspaper?No,I ( ) with it.you can have it.A.am finishing B.had completed C.have finished D.was completed 一道SAT改错Having completed a course in art appreciation, Maureen and I were able to judge the paintings in the Museum of Modern Art more critical than we had before.请问后面怎么能用had?只见过前面是sth或者doing 后面用had的前 I am completed over you Not until I completed the form did I realize that half the questions were not relevant to me.为什么是did I realize不是had I realized?谢谢 completed Not until I completed the form did I realize that half the questions were not relevant to me.为什么不能说had I realized? By the end of last year the railway___.A.was being completed B.would be completed C.had completed D.had been completed The mayor of Beijing says that all construction work for the Beijing Olympics ____ in 2006 .A hasThe mayor of Beijing says that all construction work for the Beijing Olympics ____ in 2006 .A has been completed B has completed c had been completed D w if i had you 请问是什么意思? The teacher demanded that the homework___the next day.So I had to stay up all night.A.were to completeB.would be completedC.be completedD.completed求详解 英语翻译M:All I can turn in today is my chemistry homework.W:Is everything all right?You usually have everything completed on time. the house was completed five months ago the house had completed five months ago此处能不能用had ,为什么? I w( ) tired this morning because I had a dancing lesson. 8.By the time he was ten years old,he ___D______.的解析A.has completed university B.has completed the universityc.had completed an university D.had completed university all the preparations for the task___,and we are ready to startA.completed B.complete C.had been completed D.have been completed