题目内容
| It is in 1960 _____ Chinese first put out flag on Mount Qomolangma. |
A. when B. that C. which D. in which |
试题答案
B
相关题目
题目内容
| It is in 1960 _____ Chinese first put out flag on Mount Qomolangma. |
A. when B. that C. which D. in which |
试题答案
B