1) It's high time the government .......... more money in green technology. a) invested b) had invested 2) Suppose there .......... no more fossil fuels. What would we .......... without them? a) were/do b) were/have done c) are/do 3) If we can afford t, I'd rather we .......... an electric car. a) had bought b) bought 4) If only everyone .......... out concerns for the environment. a) shares b) shared 5) I wish people wouldn't .......... their rubbish on the beach. a) leave b) have left 6) I wish we .......... go on an African safari and see elephants and lions. a) can b) could

Unreal Past and Past Wishes (Optimise B2 - Workbook)

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