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madike
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Task 3. Complete the sentences with may, must, should, needn't, had to, couldn't or was able to according to the meaning in brackets 1. Paul work harder if he wants to keep his job. ( I advise)
2. I have the last piece of cake, please?(Do I have permission?)
3.Sally ride a bike when she was 5. (She didn't have the ability)
4. I to study all night for today's History test(it was necessary)

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1) a transmission line forms a path from one place to another for directing the transmission of energy.

2) the model correctly predicted the poor performance of the 1858 transatlantic submarine telegraph cable.

3) the voltage on the wire at a given time can be assumed to be the same at all points.

4) the cable or wire should be treated as a transmission line if the length is greater than 1/100 of the wavelength.

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