t是什么搜索结果第54页,早教吧

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共找到 2568 与t是什么相关的结果，耗时608 ms

Do you still smoke?____,It's two years since I smoked."A No,I don't.B Yes I do .C Not too much .D Oh yes,but I wish I didn't.请问为什么要选A, 英语

不选B?后面一句不是说抽烟已

.—I haven’t seen you for ages.Haven’t you graduated from college?—Yes.I _____ English for four years in Nanjing.A.study B.have studied 英语

C.am studying

I t is a long time since they have been married.急.这句话是错的,错的哪儿?为什么? 英语

She took_ bus to her mother’s_she had taken to work every day for the last 15 years.还有.这道题目的中文意思是什么啊,我一点都读不懂.考的是什么语法什么句型啊.忘了给选英语

了= 对不起。A.the s

l didn't have a bath.l___(have) a shower instead应填什么答案上是will have,我觉的是had请指点并说明原因英语

关于can't have been的句子我写的I can't have eaten为什么是错的老师说非要写成I can't have been eatting 其他

James has just arrived,but I didn't know he came until yesterday正确答案是James has just arrived,but I didn't know he was coming until yest 英语

rday上面我写的为什么不对

y(t)=sin(t)；y(t)=sin(2t)；y(t)=f(sint)求大神详解这三个虱子是时变的还是时不变的另外分不清这三个虱子的激励是什么? 数学

叁角函数的π/2是求最大值的吗?如下：求y=2sin(2x-π/6)的单调区间然后,y=2sin(2x-π/6)的一个最大值点为2x-π/6=π/2,即x=π/3,函书的周期为T=π.我搞不懂为什么“最大值点为2x-π/6=π/2”,π/2是半个周期数学

什么2x-π/6=π/2就是

did she said that could,or couldn't make up her mind为什么是did she said 不是应该did she say吗英语

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