问题
选择题
Mr Green was watching TV ______ someone knocked at the door. [ ]
A. while
B. when
C. since
D. after
答案
答案：B
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Mr Green was watching TV ______ someone knocked at the door. [ ]
A. while
B. when
C. since
D. after
答案：B
图片是形象的史料。下列图片生动地反映了中 * * 党对中国革命道路的探索，如果要找党的历史上生死攸关的转折点，你会选择的图片是
 | |
| A．“一大”会址 |  |
| B．南昌起义 |  |
| C．井冈山会师 |  |
| D．遵义会议 |
A．A