Do you ________ breakfast at school?[ ]
A. have
B. has
C. eating
答案:A
漠北战役发生在[ ]
A.公元前1世纪初
B.公元1世纪初
C.公元前2世纪初
D.公元2世纪初
痔病保守治疗方法有()
A.栓剂
B.针灸
C.熏洗
D.软膏
E.口服药物