Какое слово употребить their или theirs.придложение they are from england. their/theirs names jill and

They are from England. Their names are Jill and Steven.

More and more people suffer from air and water pollution. Nature also suffers from land and nuclear pollution. Among them increasing number of cars in the streets, factory waste, millions of cut down trees, destroyed habitats of animals, contaminated rivers and seas. Fortunately, there are many ways to suspend these problems. If everybody starts caring about the planet we live on, many environmental problems can be solved. 
ПЕРЕВОД:
Все больше и больше людей страдают от загрязнения воздуха и воды . Природа также страдает от земли и химического загрязнения . Среди них увеличение количества автомобилей на улицах , промышленных отходов , миллионная вырубка деревьев , уничтожение места обитания животных , зараженных рек и морей . К счастью, есть много чтобы приостановить эти проблемы . Если все начнут заботиться о планете , на которой живем , многие экологические проблемы могут быть решены

I. What season is it?

1. Summer

2. Spring

3. Winter

4. Autumn

II. Write

1. I’m going to the beach. I need shorts, a T-shirt, an umbrella and some water.

2. I’m going to the shop. I need money, a pocket and a big bag.

3. I’m going to sleep. I need my pijama and a book.

4. I’m going to my tennis lesson. I need shorts, a T-shirts, some water and a bag with things for playing tennis.

III. Write about you

I like to wear jeans and a T-shirt. I also like to wear slippers and shorts.

In winter I wear a warm coat or a jacket, a scarf, a hat, a sweater, warm trousers and gloves and boots.

In summer I put on shorts and a T-shirt.

In autumn I wear a brown coat, a blue scarf, warm boots and gloves.

In spring I put on the same things that I wear in autumn.