4. Turn off the(机器). It has been on for24 hours. 相关知识点: 试题来源: 解析 【答案】machine【核心词汇/短语】turn off: 关闭【翻译】关闭这台机器,它已经运转了24小时了。【解析】根据中文提示,故用可数名词machine表示机器,根据空格后面的It(它),此处代指单数名词, 推测这里是指一台机器,故用...
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...
ithas是一种古老的英语词汇，意为“它已经”。该词通常用于形容某事物已经到达了某种状态或某个时间点。例如，一个句子可能是“It has been raining for hours”（它已经下了几个小时的雨）。ithas是一个表示过去完成时态的缩写形式。过去完成时态用于描述过去发生的事情与另一个过去时间点或事件之间...
. For more than twenty years,the 60yearold businessman has been traveling about 67 miles to work from his home in Cornwall to lower Manhattan.His total travel time is 5 hours each day.It may seem like a lengthy journey, but Moore says he prefers this mode of travel....
解析 最好最正确还是用 has been,因为 since 通常都是跟 has been,have been,had been 搭配.结果一 题目 It has been three hours since he left his office.把has been 换成is也可以吗 答案 最好最正确还是用 has been,因为 since 通常都是跟 has been,have been,had been 搭配. 相关推荐 1 It ...
aif i have lost myself, if i can hold on. how to do it and who can save me ?if i did not meet you, i don't know where am i ,what kind of life living,what kind of things doing.but you are not alone, only i can do is expecting. 如果我失去了自己,如果我可以举行。 对怎么...
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 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 相关知识点: 试题来源: 解析 since 这个词一般的用法是引导过去时间状语或从句,主句用现在完成时.It is five years ...
百度试题 结果1 题目It has been eleven hours___ we arrived in Beijing.相关知识点: 试题来源: 解析 C 反馈 收藏
The little boy has been(绑架) for more than 24 hours.2. I forget whether I have(锁) the car after I got out of it.3. His uncle has been in(狱) for half a year for theft.4. The police officer told some policemen to(守卫) the scene of the crime.5. The purpose of industry ...
这是个现在完成进行时的句子,高一要学的一个时态, 结构是:have/ has been + 现在分词(doing), 表示动作一直在持续,如: I have been teaching English for about twenty years.我已经教英语教了大约20年了It has been raining for tree hours.雨下了三个小时了( been是过去分词,在这里不表示被动,现在完成进...