how quickly the time passed!time是名词为啥用how?

how fast the time passed!fast可以换成quickly吗? The time passed quickly. how time passed Time passed quickly,the future is unknowable How time flies!Twenty years _____ passed. How time flies!Ten years ( ) passed Time passed quickly and a 英语翻译How the time passed away All the trouble that we gaveAnd how time How time flies!Ten years has passed.为什么这里的Ten years是看作单数? 1How ---can the train arrive?a.fast b.quickly c.much time d. 改错How time flies!A mouth past quickly!