6/ The last time Jimmy saw his uncle was in 2002 . A. Jimmy hasn’t seen his uncle for 2002. B. Jimmy hasn’t seen his uncle since 2002. C. Jimmy didn’t see his uncle since 2002. 7/ When did you meet your best friend? A. How long have you known your best friend? B. How long have you know your best friend? C. How long did you know your best friend? 8/ He started working as a bank clerk 3 months ago. A. He worked as a bank clerk for 3 months. B. He has worked as a bank clerk for 3 months .C. He worked as a bank clerk 3 months ago. 9/ I last had my hair cut in November. A. I didn’t had my hair cut since November. B. I haven't had my hair cut for November. C. I haven't had my hair cut since November. 10/. He began to study English when he was young .A. He’s studies English since he was young .B. He’s studied English since he was young. C. He’s studied English when he was young