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МатематикаВопрос:
10. I ... (to use) this machine since last summer.
Ответ:
I have been using this machine since last summer.Похожие
- Put the verbs in brackets in the Present/Past/Future Perfect Continuous. 1. She ... (to clean) the house for an hour by the time her husband ... (to arrive).
- 2. When I ... (to become) his neighbour, he ... (to live) in that house all his life.
- 3. We ... (to fish) for two hours.
- 4. I ... (to live) here for ten years next year.
- 5. I ... (to work) in this office for a month.
- 6. He ... (to feel) tired because he ... (to play) football since lunchtime.
- 7. They will be tired when they arrive. They ... (to travel) for 24 hours.
- 8. The kettle ... (to boil) for five minutes.
- 9. She ... (to try) to open the door for forty minutes.
