Many of them live in the trees over 30 meters ( ) the ground.

Many of them live in the trees over 30 meters ( ) the ground.
填什么？原因？

There are many different species of dinosaur and all of them have been found in China There are many different kinds of computers now.You can use the internet of all of them. Many of the crimes have gone___,because some people dare not report them to the police. I have many books,some of them are on English.这个句子表达正确吗? many .many of用法 we should make people know that it is foolish of them to bring too many children into the world.翻 All of them like the two of them of them和of which both them还是both of them?为什么？