My teacher let me ________ the blackboard.

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--What did he want to be?

--He ________ a doctor.

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--What's the matter with Mary? --She is tired. She needs ______ some rest at once.

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--______ do you eat hamburgers?

--Once a week.

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--What do you think of the hot and sour soup?

--It tastes a little ______.

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--Hi, David! Do you think you can learn English well?

--I think I can. But it's __________ of all the subjects.

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--Oh, I forget my English book.

--Don't worry. Let's _________ my book.

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--________ do you get to school every day?

--At half past seven.

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Tom was ill this morning, _______ he still went to school.

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His brother has _________ the car for ten years.

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