(1) If it should rain tomorrow, what would we do?(2) If you should meet George, tell him I want to see him.老师，(1) 以上两句条件从句 if... 为何要用 should 呀？表示与现在 / 将来相反的条件从句的结构，不是应该是 if I (we, you, he, they)+动词过去式吗？所...
make sb do和make sb done 有何区别呢？例如：It made me cried.It made me cry. 保持联系1) Keep in touch with sb2) Keep in touch with the letter 我们经常见到句1）的用法:和某人保持联系Keep in touch with sb。那句2）显然不是和信件保持联系；句2）...
... 请问if和but可以出现在一个句子当中吗？
If we went by bus,it would be cheaper but the train is quicker.
If 从属连词引导we went by bus
But是并列连词，所以It would be cheaper but the train is quicker. 这句本应该就是完整的一个句子了，还可以在句子前...
...）还没有打来过电话。”，所以主句用现在完成时。
It was the first time I'd had visitors since I'd moved to London.
那是我搬到伦敦以后第一次有人来看我。
这里整个句子是以“it was the first time ”做基调，所以since的主从句都过去完成...
...。在下列句子中，as引导比较分句修饰名词：Life
as we know it needs water and air to survive.This
is history as it was lived by the men of the 505th Regiment. 但是既然作为比较分句，那么比较项在哪里？是省略了吗？如果认为分句中as作的成分（或者...
...员老师好，我有一个问题怎么也发不出去，内容如下：By a great and circuitous route and within a mesh of juxtaposed activity, a young girl, finally, delivers you a duck egg which, cracked into a silver-rimmed glass, produces a cascade of blue liquid and a tiny...
VOA:It was only during the administration of president George Bush senior in 1989 that the ceremony became an annual event. After all this turkey represents America's 45 million Turkeys,who will begin making their irreplaceable contribution to our Thanksgiving celebration, so take it easy turkey.先...
If tap water were as dangerous as some people think，____ would be getting sick.A.a lot of more usB.more a lot of usC.a lot of us moreD.a lot more of us请问怎么选？