Choose the best answer A, B, C or D to fill in the blanks

III. Choose the best answer A, B, C or D to fill in the blanks.

16. My uncle took ________ the business from my grandparents.

A. on                           B. at                            C. in                            D. over
 

20. Mary asked me why I _______ absent from class the last day.

A. was                         B. have been               C. had been                 D. am