Student A: “How long have you been a volunteer for the Red Cross?” Student B: “______________”
Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best completes each of the following exchanges.
Student A: “How long have you been a volunteer for the Red Cross?”
Student B: “______________”
A. When I am 25 years old.
B. By the age of 25.
C. When I was 25 years old.
D. Since I was 25 years old.