两道道简单的英语题

What's the matter? =What's wrong?=What's the trouble? What happened?怎么啦？出什么事儿啦？
I'm not as tall as my brother.=My brother and I are't in the same height.=My brother isn't as tall as me.=My brother is taller than me.=I'm shorter than my brother.=I'm not so tall as my brother.=
(其实句子说我没有哥哥那么高，一般就认为是哥哥比我高。如果理解为我和哥哥不一样高，也可以。)

1.What's wrong?
2.My brother is taller than l

What is wrong?
I am shorter than my brother.(my brother is taller than I.)

What's wrong?
I'm not so tall as my brother.