1it has been tow hours since i came 和 i was tow hours since i came 有什么区别 还有 it has changed since i came here 为什么要用has 而不是用had 这应该是在came 的动作之前啊 2高中英语问题it has been tow hours since i came 和 i was tow hours since i came 有什么区别 还有 it has...
It has been raining ___ two hours. A. for B. since C. in D. ago 相关知识点: 试题来源: 解析 A。“for+一段时间”与完成时连用;“since+时间点”;“in+一段时间”表示将来的一段时间;“ago”用于一般过去时。此句后面是“two hours”,是一段时间,所以用“for”。反馈...
百度试题 结果1 题目原句:We have been waiting for you for two hours. 转换句:It has been two hours since we started waiting for you. A. 正确 B. 错误 相关知识点: 试题来源: 解析 A 反馈 收藏
原句:We have been waiting for you for two hours.转换句:It has been two hours since we started waiting for you. 答案 A 解析 null 本题来源 题目:原句:We have been waiting for you for two hours.转换句:It has been two hours since we started waiting for you. 来源: 句型转换专升本试题...
It is/has been+一段时间+since（since从句用一般过去时）自……以来已有多长时间了”或“自不……以来已有多长时间了”。注意：在该句型中，若主句的be动词用了is或has been，since从句的谓语动词要用一般过去时；若主句的be动词用了was，since从句的谓语动词须用过去完成时。此外，若since-clause的...
two hours. A. at B.in C.for相关知识点: 试题来源: 解析 C 本题考查介词辨析。at+具体某个时刻;in后面加的时间不能具体到某一天,可以加世纪、朝代、年代、季节、月及泛指上午、下午、晚上等;for+一段时间表示。故本题选C。结果一 题目 【题目】It has been rainingtwo hours. A.atB.inC.for 答案 ...
has been+一段时间 界定时间段是从过去某一时间点开始到现在；since 后面的时间点或事件是起始时间点。例子：- 自从我们开始开会已经两个小时了。(It has been two hours since we started the meeting.)- 自从他加入公司已经三个月了。(It has been three months since he joined the company.)
【解析】【相关语法点提示】It is/has been+时间段+since sb did sth某个动作发生持续多久;如果该句型中若since后跟延续性动词,要翻译成否定含义,即“没做某事已经多久了”It was/will be+时间段+before..过多长时间将发生某动作或事情;或过了多久发生了某事或动作。It is/was not until+被强调部分+that....
百度试题 结果1 题目It ___ for two hours now.——[单选题] A. rains B. is C. has D. has 相关知识点: 试题来源: 解析 D 反馈 收藏