His parents make her at night. [ ]
A. stay at home
B. stays at home
C. to stay at home
答案:A
术前预防性应抗生素的适应证
A.切口接近感染区的手术 B.肠道手术 C.操作时间长的大手术D.癌肿手术和血管手术 E.以上都是
中学生必然要考大学(假)。根据模态命题间的对当关系,指出与上述命题同素材的其他三个模态命题的真假。