Unit 2: Natural Wonders and Travel

1. Label the pictures. 2. Read the texts and fill in each gap with stretches, interact, flashes, particles, carved or massive. 3. Choose the word whose underlined part is pronounced differently from the others. Listen and check, then repeat.

1. Choose the correct options. 2. Put the verbs in brackets into to-infinitives, infinitives without to or -ing forms. 3. Put the verbs in brackets into to-infinitives, initives without to or -ing forms.4. Put the verbs in brackets into to-infinitives, infinitives without to or -ing forms.

1. Label the pictures.2. Fill in each gap with the correct word from Exercise 1 then find the words in the puzzle. 3. Fill in the gaps with the words from the list.

1. Match the sentences to make exchanges.2. Choose the correct responses. 3. Complete the dialogue with sentences from Exercises 1 and 2. 4. Choose the word whose underlined part is pronounced differently from the others. Listen and check, then repeat.

1. Fill in the gaps with who, where, when, what or how. 2. Rewrite the sentences using Wh-question words + to-infinitives. 3. Fill in each gap with too or enough. 4. Rewrite the sentences using too or enough.

1. Read the text and choose the correct options. 2. Read the text again. For questions (1-3), choose the correct options (A, B, C or D).