快乐滴小狮子的回答前三个都对，但是第四个有个小错误，The most dangerous shark is the great white shark,which can grow to over 20 feet long. 这句话是which 引导的非限制性定语从句，先行词为shark,其中which 在这里做主语，故which在这里不可以省略。...
There are many kinds of sharks in the ocean.--------there be 句型Sharks are one of the most famous perdators in the sea.----one of the +最高级Many sharks have teeth that are use...
