--Do you know the right answer to the question?

--Sorry，I ________．Would you repeat that question?

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A．haven't listened

B．don't listen

C．wouldn't listen

D．wasn't listening

--Peter has finished his work.

-- ________, but I haven't.

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It depends on ________ he has enough money.

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Charles Babbage is generally considered ________ the first computer.

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The factory ________ his mother works is in the east of the city.

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________ of them knew about the plan because it was kept in a secret.

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The pupil sat there, ________ what to do.

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The boy likes playing football ________ basketball.

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He ________ for twenty years.

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He was in foreign countries_________.

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