伤寒病后带菌者的细菌存留部位通常为（）
A.肠系膜淋巴结
B.肾脏
C.胆囊
D.咽喉部
E.结肠壁
参考答案：C
Would you like ____________ the star on the tree? [ ]
A. put
B. to put
C. puts
It is the driver rather than the children ______responsible for the accidents.
A．is
B．are
C．that is
D．who are
