问题
选择题
| It is uncertain whether the medicine will work on this cold, _____? |
| A. is it B. isn't it C. will it D. won't it |
答案
答案：B
搜题请搜索小程序“爱下问搜题”
| It is uncertain whether the medicine will work on this cold, _____? |
| A. is it B. isn't it C. will it D. won't it |
答案：B
