5英镑用英语是five pound还是five pounds?

5英镑用英语是five pound还是five pounds? 是it doesn't worth five pounds 还是it isn't worth five pounds?为 pounds 还是pound 想问下英文2518英镑怎么读,可以写成twenty five hundred and eighteen pounds吗? £;是英镑吗? 请问是one hundred pound 还是one hundred pounds? 以英磅来计价是In pounds还是In pound 5号的英语怎么说?Number Five 还是 Number five是一个? 五分钟内用英语怎么说?是within five minutes还是in five minutes? 八点零五分用英语怎么读?是eight o five 还是eight five? five to five是5：05还是4:55 英语翻译5个人是five person还是five people?