1 If they ____ their running costs, they ____ money. 2 If more employees ____ to use public transport, we ____ more space in the car park. 3 What ____ if the company ____ for another quotation? 4 If we ____our product range, we____ some of our customers. 5 My boss ____ the idea if she ____ all the details. 6 If we ____so many emails, we ____ less paper. 7 They____a lot more energy if they ____ their windows open in the winter. 8 He ____ the lower price if he ____ any longer. 9 How long ____ if we ____ by train? 10 If we ____ carbon emissions, global temperatures ____ to increase.

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