Complete with the present perfect or present perfect continuous 1. we ….. trees for a week now. (plant) 2. the children … the pond . (already /clean out) 3. she …. doing her homework. (already, finish) 4. my uncle …. to save the whales for a long time. (donate) 5. how long …. nesting boxes? (you, build) 6. my uncle …. to save the whales for a long time. (donate) 7. how long …. nesting boxes? (you, build) 8. he ……………… all day. (study) 9. /ever/visit) the haunted house? 10. /ever/be) to the taj mahal in india? 2. fill in: collect, teach, soil, watering, toxic, recycle, plastic, factory 1. ….fumes 2. … waste 3. …rubbish 4. …cans 5. … pollution 6. … bag 7. … can 8. …the cycle of life