______ hero in this fairy story is _____ ugly duck.
A；The； theB. The；an C. The；a

—What would you like, tea or coffee?
—_____, thanks. I just prefer a glass of water.
A. Both B. Neither C. Either

The more regularly we eat, we are.
A.the healthier B.healthier C.the healthy

— What you at 9:00 yesterday? — I some food.
A. did; do; eat
B. are; doing; ate
C. were; doing; was eating

— have you owned the house? — For five years.
A. How long
B. How much
C. How often