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Explain the following words in complete sentences.

2 / 2

a) an alternative
Wind energy is an alternative to nuclear energy.
Wind energy is an alternative to nuclear energy.

b) to dry up
Because of long droughts, many rivers have dried up.
Because of long droughts, many rivers have dried up.

Read the text. Find the suitable forms of the words and write them down.

11 / 11

We have to work on our awareness (aware) towards saving the planet. There are plenty of really effective (to effect) ways how to help planet Earth to recover. The enormous disappearance (to disappear) of animals is alarmingly high. Soon we will destroy (to destroy) even more habitats due to our carelessness. The creation (to create) of protective zones for animals and the environment is a must, since it is affecting (to affect) all of us. If we protected (to protect) our planet before, we would not have to worry now. The chance of animals surviving (to survive) our careless behaviour is low. Rain forests (rain forest) are already suffering a lot, which(which| who) is damaging our entire ecosystem.

Points

/ 13