Question

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Answer 1

Ответ:

224

Are the windows cleaned once or twice a month?

How often are the windows cleaned?

225

He has been painting for fifteen years, hasn't he?

Has he been painting for fifteen years?

226

Is hot or cold water provided by the hotel 24 hours a day?

Is hot water provided by the hotel 24 hours a day?

227

Alexander Graham Bell invented the telephone, didn't he?

Did Alexander Graham Bell invent the telephone?

Объяснение: