Exercise 23.3

EXERCISE 23.3

For each sentence, indicate the appropriate form of the verb in parentheses. If more than one form is acceptable, be ready to explain your choices. Example:

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  1. History ________ (show) that crime usually decreases as the economy improves.

    Question

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    Exercise 23.3: History ________ (show) that crime usually decreases as the economy improves.
  2. Ever since the first nuclear power plants were built, opponents ________ (fear) disaster.

    Question

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    Exercise 23.3: Ever since the first nuclear power plants were built, opponents ________ (fear) disaster.
  3. Thousands of Irish peasants ________ (immigrate) to America after the potato famine of the 1840s.

    Question

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    Exercise 23.3: Thousands of Irish peasants ________ (immigrate) to America after the potato famine of the 1840s.
  4. The soap opera General Hospital ________ (be) on the air since 1963.

    Question

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    Exercise 23.3: The soap opera General Hospital ________ (be) on the air since 1963.
  5. Olivia ________ (direct) the play next year.

    Question

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    Exercise 23.3: Olivia ________ (direct) the play next year.
  6. While they ________ (eat) in a local café, they witnessed a minor accident.

    Question

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    Exercise 23.3: While they ________ (eat) in a local café, they witnessed a minor accident.
  7. By this time next week, each of your clients ________ (receive) an invitation to the opening.

    Question

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    Exercise 23.3: By this time next week, each of your clients ________ (receive) an invitation to the opening.
  8. By the time a child born today enters first grade, he or she ________ (watch) thousands of television commercials.

    Question

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    Exercise 23.3: By the time a child born today enters first grade, he or she ________ (watch) thousands of television commercials.
  9. In one of the novel’s most memorable scenes, Huck ________ (express) his willingness to go to hell rather than report Jim as an escaped slave.

    Question

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    Exercise 23.3: In one of the novel’s most memorable scenes, Huck ________ (express) his willingness to go to hell rather than report Jim as an escaped slave.
  10. A cold typically ________ (last) for about a week and a half.

    Question

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    Exercise 23.3: A cold typically ________ (last) for about a week and a half.