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МатематикаВопрос:
7. he ______ (volunteer) at the animal shelter this year?
Ответ:
Has he volunteered at the animal shelter this year?
Похожие
- 1. The scientists ______ (study) the effects of pollution on marine life for over a decade.
- 2. We ______ (plant) trees in the park since 9 a.m. We've planted 50 so far!
- 3. How long ______ you ______ (collect) plastic waste from the beach?
- 4. She ______ (not/participate) in environmental projects recently because she was busy with her exams.
- 5. They ______ (work) on their eco-project all week, so they are very tired now.
- 6. I ______ (try) to reduce my plastic use for the past month. I've already replaced plastic bags with reusable ones.
- 8. The government ______ (invest) in renewable energy sources for several years now.
