What kinds of animals are there in London Zoo?
如：Many kinds of animals have vanished from the earth.= 许多动物已人地球上消失了.
但是更自然的说法就是:Which animals are there in LZ?
what kind of 用于单数：What kind of medicine is it actually?(=what's it used for 的含义）
没有 what's kind of 和 what's kinds of 这个说法