6. Complete the sentences. Use the present perfect form of the verbs and for or since. 1. I (be) at my new school last December Model: 1 haven't been_ (be) at my new school..since Last December 2. Hilary (not see) Michael several weeks. 3. They three months. (not write) an email or (phone) 4. He (live) in this town a long time. 5. I (have) this camera I was 10 Va rog frumos. Dau coroana