问题
选择题
| Tom is ______ that he can't go to school. |
A. so a young boy B. a so young boy C. a such young boy D. such a young boy |
答案
答案：D
搜题请搜索小程序“爱下问搜题”
| Tom is ______ that he can't go to school. |
A. so a young boy B. a so young boy C. a such young boy D. such a young boy |
答案：D
l1∥l3
l1⊥l3
l1，l2，l3共面
l1，l2，l3共面