问题
选择题
| There is no doubt _____ those who work hard will succeed sooner or later. |
A. if B. whether C. why D. that |
答案
答案：D
搜题请搜索小程序“爱下问搜题”
| There is no doubt _____ those who work hard will succeed sooner or later. |
A. if B. whether C. why D. that |
答案：D