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They should contribute an enormous amount of money _____ the charity.

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My mother often ______ the housework every day.

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John ................... in a house in the countryside.

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He likes to meet and spend time with other people. He is very ______.

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We might ………….. smart phones surfed the Internet.

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_____are foods and other goods sold at a shop or a supermarket.

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Robot will help us do the housework such as cleaning the floor, ..........meals and soon.

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He ______ books at the moment.