It ________ to look after these naughty grandchildren of mine.

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Twenty were expected, but only ten ________.

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If you do not feel well, you should not ________ going to see the doctor.

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We can't wait. We have to ________ the direction and the distance before we take action.

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When I entered his room, I found him ________ an arm chair.

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After the meeting, I ________ to write a report on our next term's work.

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The captain ________ an apology to the passengers for the delay caused by bad weather.

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Many people love to ________ their possessions before others.

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－Will someone go and get Dr. White?

－He's already been ________.

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We had a good many anxious moments, but everything ________ all right in the end.

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