Behind the girls ________ an old lady with two grandchildren.

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—Where did you go during the holiday?

—I spent all the days ________ the country ________ my grandparents.

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They set out to work ________ they got to the office.

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His parents ________ their home town for Canada and let him ________ a little room and some money.

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There was no ________ about it that someone took the rain coat by mistake.

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I was thinking about playing football after school when my teacher called ________ me to answer a question.

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The machine is used to ________ the experiments.

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The moon is a natural satellite ________.

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Can you ________ the differences between American English and British English?

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He paid the boy $10 for washing ten windows, most of ________ hadn't been cleaned for at least a year.

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