4 Complete the rules with to + infinitive or -ing. We use to-infinitive and -ing with verbs such as_, _and_.поже сейчас​

1."A camping stove is cheaper than a tent.Let's have it."
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."