_______ nice hat it is!
A. How B. What C. What a
—When were you born?
— I was born_______ a cold winter morning in 1996.
A. on B. in C. at
When I came back yesterday evening, my brother _______ his homework.
A. is doing B. has done C. was doing
—How often do you see your grandparents?
—_______.
A. Five days B. Once a month C. In a week
I usually go to school on _______ foot.
A. a B. the C. /