Complete each sentence with the present or past simple passive form of the verb in brackets.
1.Waste plastic and metal ( collect ) once a week in our town .
2. Why .............. litter never ............. ( pick up ) in this park ? It's always the same !
3. Climate change ..... ............. ( predict ) by scientists 40 years ago .
4. About 50 % of our country's rubbish ....... ......... ( recycle ) last year .
5. Most of the air pollution in London ........ ( cause ) by cars and buses .
6. Six electric buses ....... . ( buy ) for our town last month .
Complete each sentence with the present or past simple passive form of the verb in brackets.
1.Waste plastic and metal are collected ( collect ) once a week in our town .
2. Why ......is........ litter never ......picked up....... ( pick up ) in this park ? It's always the same !
3. Climate change ...was predicted.. ............. ( predict ) by scientists 40 years ago .
4. About 50 % of our country's rubbish .. .was recycled.... ( recycle ) last year .
5. Most of the air pollution in London ....are caused.... ( cause ) by cars and buses .
6. Six electric buses ...were bought.... . ( buy ) for our town last month .
