How many trees are there?这个句子的many可以去掉吗?为什么?how不是就有了多少的意思吗?

How many trees are there?这个句子的many可以去掉吗?为什么?how不是就有了多少的意思吗? how many recttangles are there?的意思 how many cats are there in the picture?可以去掉are there吗 how many trees are 'How many weeks are there in a month'的意思 How many letters are there in "English".的意思 How many cats are there under the的意思 How many rulers are there on the desk?Four这个句子对还是错,要讲明为什么的哦? How many trees are there on top of the mountain?这里的on top of how many are there How many brothers were there?的意思 How many trees are there in the picture?