One long-distance flight consumes fuel which a car uses in several years' time, but they cause the same amount of pollution. So, some people think that we should discourage non-essential flights, such as tourist travel, rather than limit the use of cars. To what extent do you agree or ...
解析 Four years ago.这是计算题,通过计算答案应该是4年前,爸爸是36岁,儿子9岁。 结果一 题目 A man is 40 years old .His son is 13.How long ago was his age four times his son's? 答案 答案:Four years ago核心短语/词汇:how long:多久句子译文:一个男人40岁,他的儿子13岁,多久前他的年...
--- How long ___ was this? --- It’s been nearly six years now.A.ago B.before C.later D.partly扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 A 考查副词辨析。“这是多久以前的事?”“已经是六年前的了。”一段时间+ago表示“多久以前”,与一般过去时连用;before常...
since+过去的时间点，表示一段时间（从这个时间点到现在的这一段时间）B项错在：four years ago是过去的一个时间点，只能用于回答when，而问句问的是how long，这要求用一段时间来回答。C项错在：in 2004是过去的时间，只能用于回答when，不能回答how long。D项错在：since不能接一段时间。如果sin...
1. borrowed改成had borrow是瞬间性动词，不能延续一段时间，也就不能和how long连用 改成had（have的过去分词，意思是“拥有”）即可，它是延续性动词。不过在题目中borrowed后面貌似缺少宾语。2. = He has been dead for ten years.= He has been dead since ten years ago.= It is ten ...
A.was,deadB.has,diedC.was,diedD.has,been dead 试题答案 在线课程 分析-你爷爷去世多久了? -自从六年前就去世了. 解答答案:D 根据Since six years ago,可知应该用现在完成时态.Since six years ago是现在完成时的标志词.现在完成时态表示过去发生或已经完成的动作对现在造成的影响或结果.或从过去已经开始...
The seeds were first found to be useful about 2,000 years ago. Early Central Americans and Mexicans used the seeds of cacao trees to make a drink that tasted bitter, not sweet. Later on, this drink was made into a sweet drink, known as hot chocolate today. Why does chocolate taste ...
How long have the Robinsons been in Egypt ?How long have the Robinsons been in Egypt ? A. since two years B. for two years C. two years ago D. two years before 答案: B©2022 Baidu |由 百度智能云 提供计算服务 | 使用百度前必读 | 文库协议 | 网站地图 | 百度营销 ...
A. In five years B. For five years C. Since five years D. Five years ago B 【解析】句意:——他们在动物园工作多长时间了?——5年了。In five years 5年后,通常用于将来时态;For five years 5年,指做某事用了5年,通常用于现在完成时态;since后接时间点;Five years ago 5年前,用于过去时态;故...
I only have a mortgage payment, electric bill and phone bill ,I let everything else go when my husband went to prison 3 years ago, he was recently released, but decided to walk out, so I have no help. I Don’t want to lose my house or electricity and need my phone to try and ...