17 Put the verbs in brackets into Present Perfect or Past Simple, as in the example.

Решение:

• 1. How many pages have you read? (Present Perfect, так как речь идет о законченном действии в прошлом, результат которого важен сейчас) - I have read 100 pages. (Past Simple, так как указано конкретное время - 'last year')
• 2. Have you lost (lose) my pen? - I lost it. (Past Simple, так как указано конкретное время - 'last weekend')
• 3. What have you done to the rose garden? (Present Perfect, так как результат действия виден сейчас) - We have visited (visit) the planetarium? - Yes, I have visited. (Past Simple, так как указано конкретное время - 'last Tuesday')
• 4. Have you seen your friends? - Yes, I have seen (meet) them their last Tuesday. (Past Simple, так как указано конкретное время - 'a few minutes ago')
• 5. Where is Dan? - I saw him a few minutes ago in the street. (Past Simple, так как указано конкретное время - 'a few minutes ago')
• 6. We are ready. We have finished (finish) our work. (Present Perfect, так как результат действия важен сейчас - 'we are ready')
• 7. What have you done? - I have swept (sweep) the floor and have washed (wash) the dishes. (Present Perfect, так как речь идет о действиях, результат которых виден сейчас)

Ответ:

• 1. How many pages have you read? - I have read.
• 2. Have you lost my pen? - I lost.
• 3. What have you done to the rose garden? - We have visited.
• 4. Have you seen your friends? - Yes, I have seen.
• 5. Where is Dan? - I saw him a few minutes ago in the street.
• 6. We are ready. We have finished our work.
• 7. What have you done? - I have swept the floor and have washed the dishes.