Complete the blog with the correct form of the verb in brackets. (second conditional)

Людмила в категроии Английский язык, вопрос открыт 03.01.2018 в 09:17

Call me crazy, but do you ever think the world would be a better place if we ... (not have) science or scientists?
Think about it. If scientists ... (not exist), we ... (not be able) to build factories: and if there ... (be) no factories, we ... (not manufacture) weapons - so war ... (be) impossible. Also, if all the factories in the world ... (stop) working, the air ... (become) clean again. But what about modern medicine? Don't we depend too much on drugs? Maybe we ... (be) healthier if we ... (not take) a painkiller every time we have a headache!