题干
When will you return to your hometown?
__________.
A：Not until the end of this month
B：Until next week
C：A few days ago
D：A few weeks before
答案(点此获取答案解析）
A
When will you return to your hometown?
__________.
A：Not until the end of this month
B：Until next week
C：A few days ago
D：A few weeks before
与等物质的量的Br2发生加成反应，生成的产物是（ ）
