1. Complete los espacios en blanco para formar el presente perfecto. HAVE-HAS
1. I_______learned a lot about computers.
2. We_______read the story about Google.
3. Larry_________known Sergey since they were at Stanford University.
4. They (not)__________known each other since they were children.
5. It_________been easy for me to learn about computers.
6. You________used the Internet many times.
7. Larry and Sergey (not)_______finished their degrees.
Respuestas a la pregunta
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Respuesta:
1. I have learned a lot about computers.
2. We have read the story about Google.
3. Larry has known sergey since they were at stanford university.
4. They have'nt known each other since they were children.
5. It has been easy for me to learn about computers.
6. You have used the internet many times.
7. Larry and sergey haven't/ have not finished their degrees.
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