问题
选择题
| Please ______ the window, Susan. |
A. not open B. doesn't open C. don't open D. to open |
答案
答案：C
搜题请搜索小程序“爱下问搜题”
| Please ______ the window, Susan. |
A. not open B. doesn't open C. don't open D. to open |
答案：C
，则电荷
的表达式应为（）。
