Put the verbs in brackets into the present perfect

II. Put the verbs in brackets into the present perfect:
  1. He (live)....... in Bac Giang for 20 years.
  2. They (know)....... each other since 2000.
  3. ........ you (do)....... the homework yet.
  4. Mrs.Lan (teach).......... in this school since 1998.
  5. Nam isn't  here . He just (go).......... out.
  6. I (read).......... this book several times.
  7.  AIDS (kill)...... a lot of people recently.
  8. She never (eat)....... this kind of this food before. 
  9. I (not meet)...... him since we left school.
 10. How long .......... you (work)......... for this company?