Green areas ________ in our cities. (must / preserve) - must be preserved , The rainforest ________ if we work together. (can / save) - can be saved, Too much fruit _______ from countries abroad. (import) - is imported, The voting age ________ to 16. (should / lower) - should be lowered, Animals ________ for their fur alone. (mustn’t / kill) - mustn’t be killed, Too many shopping centres ________ in our cities in the last decade. (build) - have been built, More electric cars _______ in the future. (purchase) - will be purchased, Too many rhinos ________ for their horns at the moment. (hunt) - are being hunted, Changes _________ to the way we think about our planet. (have to / made) - have to be made, Not enough plastic ________in our country last year. (recycle) - Not enough plastic ________in our country last year. (recycle),

Roadmap b1 The passive: all tenses

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