Not until liberation _ he __free.
A.was, set
B.that, was set
C.did, set
D.did, was set
答案:D
放射性肠炎一般治疗有()
A.急性期卧床休息
B.饮食无刺激,易消化,营养丰富
C.少食多餐
D.限制纤维素摄入
E.便后热水坐浴
中国联通服务渠道大致分为哪两大类?