Open the brackets using the Present Perfect or the Present Perfect Continuous. 1. They … all young trees in the park.

1. They have planted all young trees in the park. The job is done. 2. They have been planting young trees in the park since morning. 3. The children have decorated the fir-tree. You can see it now. 4. Our parents have been decorating the fir-tree all evening. They are still in the drawing room. 5. He has repaired tape-recorder and has just begun to use it. 6. He has been repairing tape-recorder himself since morning and hopes to finish it soon. 7. Mary is still in the kitchen. She has been cleaning it all morning. 8. Mary has cleaned the kitchen and now it looks tidy and nice. 9. I have collected a lot of material for my paper, so I am ready to write it. 10. I have been collecting some material for my paper since November and I’m only half-way through.