可产生出血性膀胱炎
A．头孢菌素B．头孢他定C．头孢拉定D．头孢吡肟E．头孢呋辛
参考答案：B
A: Does your sister _____ a CD?
B: Yes, she _____.[ ]
A. have, has
B. have, does
C. has, has
D. has, does
