重点讲解：
1. be responsible for 负有责任的；应承担责任的；
The rebels were responsible for the mass murder of 400 civilians.
叛乱者对屠杀400名平民负有责任。
2. be entitled to do sth. 给予…权利；给予…资格；
You will be entitled to your pension when you reach 65.
你到65岁就有资格享受养老金。
3. no longer 不再；已不；
It concerns me that you no longer seem to care.
你似乎不再在乎，这令我担忧。
4. settle in 习惯(新居)；适应(新工作、新学校等)；
You will need time to settle in and assess your surroundings.
在新居安顿下来并评估环境是需要时间的。

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