可以作为助动词，或者系动词。
1、Beauty is an attitude. It has nothing to do with age.
美是一种态度，与年龄无关。
2.
The best thing to do when entering unknown territory is smile.
踏入未知地带最好的对策就是微笑。
3.
A miracle is something that seems impossible but happens anyway.
奇迹就是看似不可能，却发生了。

答案是：
Kate
is
very
tall
凯特给自非常高
☞
♧手工翻译☀尊重劳动☀欢迎提问☀感谢采纳♧
☜

1.This is what we support.
这是我们所拥护的。
2.I agree that she is the ablest of us.
我承认她是我们之中最能干的一个。
3.This is all I have.
这就是我的全部家当。
4.This is my fault.
这是我的过错。
5.That is mere talk.
那只不过是空论。
6.Whatever is worth doing at all is worth doing well.
任何一件值得做的事都应该把它做好。
7.This is one of the mistakes.
这是其中的一个错误。
8.He is the man of all others for the job.
他是所有人之中最适于干这工作的人。
9.This is what I gathered from his speech.
这是我从他说的话中推断出来的。
10.What is to become of me if you go away?//www.souquanme.com
如果你走的话，我的结果将是怎样呢?
11.You should pal up with him. He is the man to be trusted.
你应该和他交朋友，他是一个可www.souquanme.com以信赖的人。
12.This is my pen.
这是我的钢笔。
13.What! Is that true?
啊!那是真的吗？
14.She is the youngest of us three.
她是我们三人中间最年轻的。
15.I calculate he is wrong in saying that.
我认为他说的那句话是错误的。