7. Complete the sentences using present perfect tense: We/not see/ each other/ 10 years.
A. we have not seen each other for 10 years
B. we have not see each other for 10 years
C. we have not seen each other since 10 years
C. we have not see each other since 10 years
8. He/ have / a clod/ a week.
A. He have has a cold for a week
B. He have had a cold for a week
C. He has had a cold since a week
D. He has had a cold for a week
9. The last time we saw her on Chistmas Day .
A. We have seen her for Christmas
B. We haven’t seen her since Christmas Day.
C. We haven’t seen her for Chistmas Day.
D. We hasn’t seen her since Christmas Day.