问题
选择题
"Don't go out ______ the rain ______ an umbrella," my mother shouted ______ me.[ ]
A. in; on; at
B. under; with; to
C. under; without; at
D. in; without; to
答案
答案：D
搜题请搜索小程序“爱下问搜题”
"Don't go out ______ the rain ______ an umbrella," my mother shouted ______ me.[ ]
A. in; on; at
B. under; with; to
C. under; without; at
D. in; without; to
答案：D
CuSO4 +5H2O 
Fe3O4
2MgO + C