问题
选择题
| A study shows that walking fast in your old age is a ______ that you will live a long life. |
[ ] |
| A. sign B. mark C. symbol D. signal |
答案
答案：A
搜题请搜索小程序“爱下问搜题”
| A study shows that walking fast in your old age is a ______ that you will live a long life. |
[ ] |
| A. sign B. mark C. symbol D. signal |
答案：A