Avolunteer, put out, non-profit, part-time job, difference, goggles, improve, research, breath, building, fit, storm.1. They tried to…the fire with buckets of water until the firefighters arrived.2. To be a firefighter you need to be…and strong.3. She holds her…as she dove into the cold water.4. Her…keep the water out of her eyes when she dives.5. The Red Cross is a famous…organisation.6. A group of doctors try to…people’s lives in the village.7. Everyone can make a…in the world by working for a charity.8. Lots of young people are ready to…to help clean up the beach.9. Environmental groups do wildlife…all over the world.10. Mary often goes…chasing in spring.11. Janet likes robot…; she uses parts from old TVs to make them.12. Ted is looking for a…for the summer.GrammarBPut the verbs in brackets into (to) infinitive or –ing form.1. Try…(stay) very calm. The aid team is on their way.2. Harry stopped…(go) to the gym because of heart disease.3. He is looking forward to…(meet) his German friend.4. This song is worth…(perform5. It’s too difficult…(do) diving in such cold water.6. Could you…(give) me some advice about the laptop.CPut the verbs in brackets into Present Simple or Present Continuous.1. …(your brother/ride a bike) to school only on Saturdays?2. Yeah, but today…(he/take a bus).3. I can’t go out right now. The worker…(fit) a window in my room.4. Why…(you/take) gloves with you? Is it cold outside?5. When is your train? It…(leave) at 6 pm.6. I…(not think) you’re right.7. …(she/have) a flat in the townhouse?DPut the adjectives in brackets in the correct form (use comparisons).1. Going to the zoo is as…(exciting) as going to the cafe.2. Could you speak…(slow), please? 3. Your interview skills are becoming …(good and good).4. Paul works…(hard) of all the firefighters.5. Jim is really…(kind) to the customers.6. Tim runs…(not as fast) as his brother.7. Some people think that finding a job…(stressful) than entering the university.