Earth Day, marked on 22 April, is an annual event aiming to raise public awareness about environmental protection.想问一下这句话中过去分词作状语的用法。marked on 22 April是独立成分（插入语）吗？几种主要的原因状语、让步状语、条件状语之类的好像都...
关于 at a meeting 的用法见得比较多，但很少见到有 in a meeting 的用法，比如下面一句：
She is in a meeting now, but I will let you know as soon as she is free.
请问 in a meeting 与 at a meeting 的区别是什么？谢谢！
This is a seed.It doesn't look like much right now, but if you put it in the ground, give it some water, fight off invaders, and wait a little while.After a few weeks within a little luck, you might end up with a head of lettuce.这是一粒种子，它现在看起来并不显眼，但如果你...
请问这句话用 were、are 哪个更好？The students were told that they (were / are) to meet the school gate at two this afternoon.主句为过去时态时从句一定要用过去时态吗？但要注意句子中的 this afternoon。
I know what they are looking for.这句话是对的可是改成这样的话对不对啊I know that they are looking for what.另外陈述语序是什么意思啊，第一句话里what引导的宾语从句在从句里作宾语，那从句不就是宾语＋主语＋谓语了吗？那这还是陈述语...
...出来有什么可笑的。
I’m sorry, but I never lend it to anyone. 很对不起，不过我从来不把它借给任何人。
Sorry, but I’ll have to shoot off before the end of the meeting. 对不起，我得在会议结束前先走了。
I’m really sorry, but I won’...
The indoor swimming pool seems to be a great deal more luxurious than ______.A.is necessary B.being necessay C.to be necessary D.it is necessary答案说选A.但是之前的做题经验让我习惯性以为要保持形式一致，前面是“be a great deal more luxurious”后面也...
...听的，求知欲强的 2.奇怪的【学习要点】1.单独使用Cats are said to be naturally curious. 据说猫天性好奇。The culture of the classroom should encourage children to be curious. 课堂文化应该激发孩子们的求知欲。curious除了表示“好奇的”，还可表示...
Rather, it involves setting specific goals, obtaining immediate feedback and concentrating as much on technique as on outcome.这里的as A as B，是A as B,还是B as A？
Surrounding the column are three sepal and three petals,sometimes easily recognizable as such,often distorted into gorgeous,weird,but always functional shapes.请问1.“sometimes easily recognizable as such,often distorted into gorgeous,weird,but always functional shapes.”这个是三个并列的...