What causes environmental problems? 2 What environmental problems do countries currently face? 3. What are some of the problems that affect animals? 4. Do you consider it the most terrible environmental disaster in the world?

1. She has read (read) a lot of books last year. (сигнальное слово last year – Past Simple)
2.We didnt go (haven't gone) to the theatre this month. (сигнальное слово this month – Present Perfect)
3. Did you have (Have you had) holiday this year?— Not yet. (сигнальное слово this year – Present Perfect)
4. What are your plans for summer? — I didnt think (haven't thought) about it yet. (сигнальное слово not yet – Present Perfect)
5. We've discussed (discussed) some of these problems last time. (сигнальное слово last – Past Simple)
6. When have you bought (did you buy) this car? — Two years ago. (с вопросом When? – всегда Past Smple)

1. She has read (read) a lot of books last year. (сигнальное слово last year – Past Simple)
2.We didnt go (haven't gone) to the theatre this month. (сигнальное слово this month – Present Perfect)
3. Did you have (Have you had) holiday this year?— Not yet. (сигнальное слово this year – Present Perfect)
4. What are your plans for summer? — I didnt think (haven't thought) about it yet. (сигнальное слово not yet – Present Perfect)
5. We've discussed (discussed) some of these problems last time. (сигнальное слово last – Past Simple)
6. When have you bought (did you buy) this car? — Two years ago. (с вопросом When? – всегда Past Smple)