Improve the highlighted part of the sentence given below: The workers are $hell\, bent\, at\, getting$ what is due to them.

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The logic of the Berlin Wall $already\, had\, been\, undermined$ but when the news came through that the wall itself had been opened,$I$ jumped into a car.

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It will be no good $trying\, to\, find$ an excuse next time.

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During his long discourse,he did not $touch$ that point.

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It became clear that the strangers were heading $into$ a serious disaster.

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Whenever my students come across new words, $I$ ask them $to\, look\, for\, them$ in the dictionary.