下述疾病,哪些必须进行粪便消毒()
A.病毒性肝炎
B.细菌性痢疾
C.副伤寒乙
D.流行性出血热
E.钩端螺旋体病
参考答案:A, B, C
—When do you go to school?
—______ 8:00 ______ the morning. [ ]
A. At, on
B. In, in
C. At, at
D. At, in