一道英语语法题,为什么选A?详细说明下,

一道英语语法题,为什么选A?详细说明下, 一道高中英语语法题Foreign guests will be here tomorrow.Oh,I thought that they____today.A.come B.are coming C.were coming D.have come答案应该选C,为什么?请说明原因, 这一道英语题为什么这么选择?14为什么选4D啊,请详细说明下吧,顺便问下，这句翻译成中文是什么意思？ 英语语法94/27为什么不能选A?完成时说明对现在有影响 13/4英语语法...为什么选B ?详细的讲解下 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? 一道英语语法题目如题：Mother asked the youngest girl _______ with her toy car.a. what the matter was b. what was the matter 选哪个,为什么 问一道英语语法题!I will give you____to finish the work.A.two weeks' time B.two-week time但B为什么不能选呢 问一道英语语法题~China's new food law provides for a food recall (召回) system ______ producers have to stop production if their food isn't up to standards.A.where B.that C.when D.which请说明原因~如果选that 的话，为什么where 帮忙讲解一道英语语法题He told me that you would be away from the present post,____?A.didn't he B.didn't you C.weren't you D.wouldn't you反义疑问句,不是跟主句的么,为什么不选A,再说特殊情况中没这个的?请说明一 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. 化学有关于烃的一道选择题[请详细说明为什么选B, 关于初中英语语法麻烦详细说明下 过去进行时 过去完成时 过去将来时 还有现在完成时哈```` ,麻烦说明下原因您好 请问一道题目 为什么不能是A+B=ABB^T+BAA^T这种形式,此处没有理解 麻烦您详细说明下原因或者理由~那正确写法是A+B= 正确写法有几种呢?其他的为什么不可以. 另外若 He got a job as a bus driver 为什么 job 和 driver 前都有a 详细说明下 英语语法题目一道do yo know paul? i think so.Isn't he __ smkes icessantly?A whoB the manC the man whoD the person which详细讲下每个选项 详细说明下. 详细说明下.