it is in后面用what还是where

it is in后面用what还是where 用What is it?Where is it?编一个对话, where is i t made in 还是where is it made What's this?后面用it's还是用this is ()it is to go swimming in a river in summer 应该用what还是how What is the deepeat point in the ocean and where is it? What is the deepest point in the ocean and where is it? 用What is it?How oldis it?Where is it?介绍五个国家. 是What is this in English 还是What is it in English where is Sydney It is in where is the supermarket?It is ____ CENTER STREET 横线处填写in还是o What's the deepest point in the ocean and where is it?