Ex 4:Rewrite the sentences using the adjective + to infinitive structure. 1.I passed all the exams. I am happy. → I am happy to pass all the exams. 2.We are going to clean the environment. We are ready. =>......................................................................................... 3. Keeping people from litttering is very difficult =>......................................................................................... 4. They hear about the plan to collect the used boxes. They are surprised. =>......................................................................................... 5. Being able to live in a clean environment is lucky. =>......................................................................................... 6. She must empty the kitchen garbage. She is not pleased. =>.........................................................................................

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