Choose the words or phrases that are not correct in standard English.

When he came, I watched a football match on TV.

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Would you mind if I ask you a private question?

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Mai has stayed on her uncle's farm for last week.

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This is the first time I visited a famous place in Hanoi.

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You shouldn’t let your children playing with matches.

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They happily looked at their children to play in the yard.

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They asked me don’t talk during the discussion.

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When Andrew saw the question, he were knowing the answer immediately.

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I'm looking forward to hear from you .

Choose the best answer to complete these following sentences.

Formerly babies ............... of whooping cough.

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Our teacher told to us to spend more time at home practicing our pronunciation.

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People ............... that the earth is round before.

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Astronauts ............... in their spaceship, but they frequently work outside now.

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Tuberculosis ............... incurable before.

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These city girls are used ............... in the field.