...bsp; 今年英语高考题有个语法填空题： Data about the moon's composition,such as how much ice and other treasures it contains, could help China decide whether its plans for a future lunar base are practical. 画线部分答案是much，但是后面是ice and...
...于虚拟语气，对此，我很不能理解，譬如：(1) Did you want to see me now ?(2) Could you do me a favour ？(3) I should advise you not to do so.我能理解以上3句话（用动词的过去式）表达了说话人客气，委婉等语气，但我想不通这和虚拟语气有什么关...
...式完成体的用法》原文：我造一个句子；If Tom hadn't missed the train this morning, he could have come by noon
tomorrow.事实：汤姆错过了今早的火车，所以明天下午才能到达。与事实相反的假设：要是汤姆没有错过今早的火车，他本可以在明天...
...，游泳前游泳后并没有导致tom状态的改变而Tom swam across the river，加了状语之后的swam为终结性动词，表示tom游泳前与游泳后状态发生了改变，即从tom从河的一边到了河的另一边那么：I have lived in Beijing for 15 years.这个句子中的live...
...而该持续时间是主语预先计划或打算的。例如 He has gone to Beijing for 2 weeks.)。 所以，He has written a book for six months. 是不可接受的错句。这是原则性错误。我的疑问1：为什么 “He has gone to Beijing for 2 weeks”是对的而“He has written ...
...2.html 这些情态动词包括 might, may, could, can, should, ought to, would, will, must 等。我知道：must 总是用于肯定句，不用于否定句和疑问句，而can则只用于否定句和疑问句，不用于肯定句（排除理论上的可能性这种特殊用法）。但是，...
So for those of you who have had DACA and need to renew it they will be accepting it," Yasser Sanchez,a Mesa immigration lawyer posted in a live Facebook video. "So great great news for DACA that we will now be able to do DACArenewals."这两句句子，我想请问 So for those of yo...
...后，此时等同于 after+时间段，可用于过去时态。She learnt to drive in three weeks (= after three weeks she could drive) .她花三个星期就学会了开车。He managed to pay off his debts in 2 weeks.He got his degree in only 3 years.而若表示以说话时为起点的一段时...
As of the last presidential debate in 2020 Trump gave his update.We're over 400 miles of brand new wall.1)请教老师 as of + sth ... 这是固定用法，表示截止到sth为止吗？ 2)为什么"We're over 400 miles" 翻译成：我们有了400英里... ? We're over sth 是表示我们有sth...