has studied for 4.haven't seen since 5.have been for 5. hasn't written since 解析 2、 考查时态运用,你已经感冒两周了,表示的是过去发生的某一动作并可能 继续下去,用现在完成时have/has+过去分词,for+一段时间。 3、 我的妈妈很擅长法语,她已经学习了很多年了。 与上一题相同,用现在完成时。 4...
用 since 或 for 写出完整的短语。six months √January√1996three years several weeks ten o'clock last weekend she was a little girl Sunday a long time years I was ten years old ages a few hours since for since January for six months Now use some of the phrases above, and write two se...
since 的用法 1.1. since+ 过去的时间点 2.since+ 一般过去时的从句 3.since+ 时间段 +ago for 的用法 1.1. for+ 时间段 Go over the usages of “since” and “for” again. 1. ___ two years2. ___ two years ago 3. ___ last month4. ___ ten days 5. ___ yesterday6. ___ 4 ...
Of course in the manufacturing step, besides doing our own manufacturing, we also have some third-party partners who help us. 当然在制造这一步,除了自己制造,我们还有一些第三方合作伙伴帮忙。 21. 37kb Today we have agreed to debt relief for 10 countries, and we are doing our utmost to ...
sincetheuseof 笔墨绘人生 2023-10-12 01:16:44 免费咨询 自从人工智能(AI)被引入客户服务领域以来,它已经改变了我们与客户的互动方式。其中最具革命性的变化之一是AI驱动的聊天机器人的普及。这些聊天机器人已经接管了客户服务,为各企业带来了前所未有的效率和客户满意度。在这篇文章中,我们将探讨自从使用AI驱动...
We often use since and for with the present perfect tense.I have not lanhed like this since mu childhod The Greeks have tried to capture our city for ten years.Work out the rule. We use since with ( a period of time/ a point in time).. We use for with ( a period of time/ ...
We use since with ( a period of time/ a point in time).. We use for with( a period of time/ a point in time). 相关知识点: 试题来源: 解析 a point in time a period of time 【课文翻译】 我们经常在现在完成时中使用 since 和 for。 【课文翻译】 自从童年以来,我没有像这样笑过...
2 In contrast to these big spenders, there are also teens that prove age is no barrier to making good use of money. With the help of her grandmother, eight-year-old Khloe Thompson started making "Kare Bags" for the homeless people in her district. Inside the bags are necessities such as...
then, many people around the world have been dreaming of business opportunities in space. To supply the increasing market interest, Russia is now constructing manned spaceships for commercial use. It seems more than ever that there is nothing we cannot dream, that human endeavor cannot accomplish....
Where he is and how he is are still unknown. 3. 表示“时间、重量、长度、距离、价值”等的名词的复数做主语时,谓语动词通常用单数形式,这是由于做主语的名词在概念上是一个整体,如: Thirty minutes is enough for the work. 20,000 dollars is not a small sum of money. ...