Although he lives in the small house, he never feels_______.

Kate does well in singing. The underlined part means .

依次填入下面一段文字横线处的语句，前后衔接最为恰当的一句是(　　)作为人民币的重要防伪标志，2015年版第五套人民币100元纸币设计了两条安全线。其中，光变镂空开窗安全线线宽4毫米，其光变性能对光源要求不高，颜色变化明显，集成镂空文字特征，更有利于公众识别。磁性全埋安全线采用了特殊磁性材料和先进技术，机读性能更好。中国人民银行表示，______________，也有利于防止变造人民币。

Teenagers should speak to the old people _________? — I agree with you.

How did people respond to the plan to charge for plastic bags used in the supermarket?— The plan received ________ support throughout the country.