1) Легко ли фотографировать(делать снимки)? - Yes, it's pretty simple. You just need some experience.
2) Что интересней , собирать коллекцию из чего-либо, или завести домашнего питомца? - As for me, it's more interesting to have a pet than to collect something. But it depends.)
3) Что люди должны делать , если они завели домашнего питомца. - They should take care of their pet and treat him with love.
4) Что более интересно или полезно для коллекционирования. - You should collect things that you really like, it's not a problem even if they are useless.
2."We can't have a camping stove and a tent.We have only six thousand roubles.The tent is the most expensive thing,but it is also the most important equipment.'
3."A kettle is the most expensive thing,but we don't need it."
4."A mattress isn't the most useful thing,but it's important for me.It's more comfortable to sleep on a mattress than on the ground."
5."A mattress is cheaper than a camping stove,but it's the most useful equipment.We have our sleeping bags!"
6."We can have a kettle - it's the cheapest and the lightest thing."