Mom: You "d been hanging around before left home."
妈妈：你在家磨磨蹭蹭的。
Expect it to hit some time before the end of 2011. (All Things d).
预计它将于2011年末的某个时候正式面世。
Yes, But I 'd like to look it over before I sign it.
是的，不过签字之前我想再看一遍。
Oh yes! I 'd been racing horses for years before I met my wife.
噢，是的！认识我妻子之前我已经赛了好几年的马了。
I wish you 'd remember to shuffle before you deal.
我希望在你发牌前记得洗牌。
C. She reads English for twenty minutes before breakfast D. She often goes to school without breakfast.
她读了二十分钟英语早餐前 D。她经常不吃早饭去上学。
We "d better repair the house before we move into it."
在我们搬进去前，最好先修理一下房子。
难道我从前没见过你吗？
Before enrolling in a Ph. D. program, you should carefully consider your long-term goals.
在参加博士课程之前，你应该仔细考虑你的长期目标。
Before doing it, you 'd better look out the advantages you can benefit from.
以前做这件事，你最好看看外面的优势，可以让你从中受益。
Before doing it, you 'd better look out the advantages you can benefit from.
以前做这件事，你最好看看外面的优势，可以让你从中受益。
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