Question

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The engineer is explain the operation of this device now.

Составить специальный вопрос, отрицательное и вопросительное предложение

Answer 1

Ответ:

Is the engineer explain the operation of this device now?

The engineer isn't explain the operation of this device now

Answer 2

Ответ:

What is the engineer explaining  now? special question

The engineer isn't explaining the operation of this device now.

Is the engineer explaining the operation of this device now?

Объяснение: