分类：教育/科学-学习帮助
问题：Englishchoices1.Hewentfromfactor 
1.He went f factory to factory, trying his ___at finding a job.A.chance  B.fortune  C. way  D.luck请帮帮忙区分一下ABD2.How time flies! Three years passed by ___we realized it.A.when  B.ater  C.once  D. before我是选A的 可答案是D why？
回答：1。hance = opportunity  机会，机遇
   have chance to do sth.\have the chance of doing sth.
eg. I had the chance\ opportunity of visiting Beijing.
    I had no chance \ opportunity to see him.

luck = fortune  运气
have good\bad luch\fortune in one's affairs 事事顺利（不顺)
try one's luck\fortune at 碰运气
for luck\fortune   讨吉利
be in\out of luck\fortune  运气好（不走运）

2.在我们意识到之前,三年时间过去了.