—Is your brother a university student?
—________
A．Yes, he is.B．No, he can't.C．Yes, she is.
—Who's that man?
—________
A．Miss Wang.B．Mrs. Lee.C．Mr. Han.
There ________ four people in my family.
A. isB. amC. are
I want to ________ a doctor.
A. beB. isC. are
Where ________ she come from?
A. doB. doesC. did