一道高二英语语法题it was some time（） we realised the truth选项有 before when since until谁给仔细说说 这几个词我总分不清

一道高二英语语法题it was some time（） we realised the truth选项有 before when since until谁给仔细说说 这几个词我总分不清 一道高三英语语法题.急>. 高二英语语法填空, 高二英语语法填空. 高二英语语法填空 高三英语语法题一道It was an unforgettable accident that the luxurious ocean liner sank while____the Atlantic.A.crossing B.crossed C.being crossed D.having crossed选哪个.为什么 高二的英语语法填空, 高二英语语法填空 急 做一道高中英语语法题It was three years____we finally met again.A.thatB.whenC.beforeD.since为什么不选D? 一道高二向量题, 高二英语语法题1、 After the accident ,no one ___except a few people who were badly injured.survived was suvived 高一英语语法：It was long before 后面是过去时 It will be long高一英语语法：It was long before 后面是过去时It will be long before 后面跟现在时 高二英语语法 非谓语__in1636,Harvard is one of the most famous universities in the United States.　　A.Found　　B.Founded　　C.Being founded　　D.It was foundedc 为什么不对 什么时候要用c 一篇简单的高二英语语法填空 高二英语语法填空 求答案 谢谢 高二英语语法,定语从句归纳? 一道完型填空题（高二英语周报上的）I stepped into a general store to buy myself some sweets for the walk.While I was making up my mind,the door opened and in walked a girl,four years old at the most.She was wearing a summer dress and 一道英语语法（代词）题.Some living creatures can change certain features of their environment so as to suit _____.A.it B.itself C.them D.themselves麻烦解释下为什么.