Whose camera are these? Whose camera are these?什么意思?

Whose camera are these? Whose camera are these?什么意思? whose sunglass are these? ----Whose trousers are these? Whose shoes are these Whose clothes are these Whose gloves are these what are these?or whose are these? whose are these pencils?和whose pencils are these? whose pens are these?还是whose are these pen?区别? 1.are jackets whose these whose are these 怎么回答 whose ______ (photo) are these