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МатематикаВопрос:
1. Recently BBC experts ...a new system that lets the deaf understand TV programmes.
Ответ:
have invented
Похожие
- 2. You are a good football-player. Since when...you...football?
- 3. The receptionist told Mrs Norrison that her son ... for the past 24 hours.
- 4. If we ....air, there would be no sound.
- 5. He is looking forward ...to the country.
- 6. My sight is getting worse. Next year, I'm afraid, I ...read without glasses.
- Match the halves.
- 1) The children couldn't find the ball because his brother ... it.
- 2) Here is the book I ... now. I it since yesterday.
- Fill the gaps using the necessary verb: A - can, B - may, C - must, D - should, E – ought, F – need.
- Put did or had to make the questions complete.
