Поставьте слова в скобках в нужную грамматическую ! if you stop to think about it, the history of housework is the history of everything. housework(change) an amazing amount in only the last hundred years or so. the(invent) of electricity was very important, and it led to the(arrive) of the washing machine, the vacuum cleaner, the dishwasher, and so on. housework(be) much harder without them fifty years ago. its not just technology that's different - these days, most husbands (expect) by their wives to share the housework. overall, then, we can see a great(improve) in relation to housework, especially for women - although the environmental cost of modern housework is high.
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