the number of kinds of sharks have为什么用have

there are different kinds of sharks which have 30 families 翻 用a number of或the number of填空 1.I have been to Beijing_____ti food与foodsWe must have the right kinds of food.kinds of是各种各样 After school,the students have all kinds of shool ---(activi They have many kinds of _______(candy) at the party. The flowers in spring have all kinds of sweet s( ) in the united states,different people have kinds of weddings We have three kinds of (pollute)on the earth 用过去分词改写句子Have you got the number of the books (that we have we saw many kinds of fishes and sharks at the a_____ the last thirty years have seen the greatest number of (The) number of the college students who(have )mobile phones