choose the right answer for the questions bellow.

a. Have you prepared a surprise for me?
( ) Yes, you have. ( ) No, they haven't . ( ) No, I have not.

b. Have the doctors detacted the decease?
( ) Yes, he has . ( ) No, they haven't. ( ) No, we have not

c. Has Susan been to Lodon this year?
( ) Yes, she has. ( ) No, I haven't . ( ) No, he has not.
d. Have you studied for the exam?

( ) Yes, we have. ( ) Yes, I have. ( ) No, they haven't
e. Has Joseph written the text?
( ) Yes, you have. ( ) Yes, I have. ( ) Yes, he has.