英语翻译

英语翻译
1.what made the old woman very sad was that the hen would not lay an egg any more
_____the hen would_____ ______lay an egg made the old woman very sad
2.many people still remembered that President Bush had raised taxes after he promised not to do this.
many people still remembered that President Bush had raised taxes
_____ _____not to do this
3.You may come at any time,but you （最好让我）konw beforehand
4.翻译：为了和经济发展同步
5.翻译：只有在结婚和养育子女之后
6.翻译：作为独生子女,他们从小就准备着担负起相关责任（since childhood）
7.翻译：我开车回家时肯定已经九点左右了,因为天已经很黑了（must have done）