Grammar: The gerund and the infinitive p. 109

Complete Ellie's blog with the gerund of the verbs below.
intervene ● watch ● join ● consume ● be

I had never really been interested in ________ climate action groups in my school until I turned 16. ________ a documentary, I think, opened my mind. It was all about eutrophication, which is the increase in the concentration of phosphorus, nitrogen, and other plant nutrients in water. This often happens to lakes when they are polluted by detergents and fertilizers. Consequently, algae reproduce fast, ________ all the oxygen that is necessary for aquatic animals to survive. Without ________ in cases such as these, entire bodies of water are at risk. That did it for me! Suddenly, I understood I had to do something for my planet. I joined the 'Friends of Nature' club at school and now enjoy ________ an activist!

Complete the sentences with the infinitive of the verbs below.
organise ● catch ● clean ● not feel ● protect

1 Before we started, the beach was covered in rubbish, but we managed ________ it all.
2 Do you think developed countries are doing enough ________ our planet?
3 At the Green Club, we are thinking about what activities ________ for Earth Day.
4 We were late up and had to rush ________ the bus and be on time for the protest march.
5 It is impossible ________ helpless when you read news about how much food is wasted.

Choose the correct alternative. Be careful: some verbs can take both forms.
1 ________ plastic bottles helps ________ pollution in our oceans.
2 Jake's decided ________ Ecology ________ about the relationships between living things and their surroundings.
3 Next time you go shopping, remember ________ less food. There's enough ________ already in the fridge.
4 Scientists are interested in ________ new sources of renewable energy so as ________ pollution.
5 By ________ shorter showers, you can help the environment without to ________ to do too much.
6 If you don't know how ________ tourism and ecology, click here ________ our offers on eco-holidays!
7 I'll never forget ________ in my first 'Fridays4future' march! It was awesome and now I'm already looking forward to ________ to the next one.