.一What does the sign over there read?一“No person ________ smoke or carry a lighted cigarette，cigar or pipe in this area．”[ ]

4Tom told me that after a few years in China not only____his Chinese, and that he had also obtained more interest

She is _____ with money.—Because she wants to give away the money to the poor children.

依次填入下面一段文字横线处的语句，衔接最恰当的一组是（ ）肺上有蛋白沉积可以洗，尘肺、矽肺也可以洗，那么，吸烟熏黑的肺能不能洗干净呢我们在戒烟宣传册中常常看到黑黑的肺，_______________。煤焦油的特点是微溶于水，溶于苯、乙醇、乙醚、氯仿、丙酮等有机溶剂，但临床上不可能用有机溶剂来灌洗肺。所以，从目前来看，被烟熏黑的肺无法灌洗干净。

He always brings me a pretty gift ____ he comes to visit me.