had passed

had passed _____he had passed the exam surprised everyone time had passed什么意思!急! six years__since she left chengdu.A has passed B had passed C passed passed passed passed Fifteen minutes passed and then,为什么不用fifteen minutes had passed and then,不是说十五分钟过去了吗? Last month a new law ----in our city to stop people form polluting the environment.(单项选择)A.is passed B.passes C.had passed D.was passed We met again by accident after seventeen years had passed.最后的had passed是什么语法结构是否应该用had past?passed是pass的过去分词吗？ only then did I realize that three years had passed我在学校学里呆了将近3年了.但是实际上还差上一个月满三年,three years had passed好呢还是three years have passed 好呢? L__he passed the exam though he had ill for a long timme. Fortunately,he passed the English exam a---------- he had been ill for a long time. what surprised us very much that he had passed the driving testwhat/this/it/that you -----have passed the exam if you had worked harder横线中应该填什么? --He said he had passed the exam. --Really? ____.A. That's great. B. Congratulations. 翻译：the day passed much as the day before had done. we have astonished to her that she had passed her driving test翻译请帮忙回答。。。