填入下面一段文字横线处的语句，最恰当的一句是（ ）太阳照耀大地，没有阳光人类不能存活。 。维生素D对调整人体内钙和磷的含量至关重要，并且可以预防佝偻病等疾病。如果没有直接供给，我们的身体就必须利用自身物质“制造” 维生素D．这些物质可以从鲑鱼和鸡蛋等食物，或者从我们的皮肤中以胆固醇新陈代谢衍生物的方式得到。而在这些物质有效地转变成维生素D的过程中起至关重要作用的恰恰是紫外线B。

I have tried very hard to improve my English. But by no means ___with my progress.

The hurricane died away, ___________ a lot of damage to the coastal city. [ ]

I am late ____ school today. I must get up early and get to school _____time next time .

When I got home, I was angry to find my room .