GRAMMAR Answer the questions with the verbs in present perfect rogressive.

Why is Ann so worried? (read / book / global Because she has been reading a book about global warming, Why is Jane so interested in whales? (discuss / problem whaling / in school)

warming)

Why are you so cold? (sit / room / heating / at 15 C) Why is your brother so bored? (listen / a talk / carbon footprints

two hours)

Why do Jim and Kate look scared? (watch/ horror film) Why is Olga so tired? (learn / survive / three days the bush)

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