请问底下这句 to find out 不定式是做什么成分啊An on-going excavation to find out why this fundamental transformation occurred has archaeologists focusing on an ethnographic group in the Pacific Northwest called the Coast Salish people.

请问底下这句 to find out 不定式是做什么成分啊An on-going excavation to find out why this fundamental transformation occurred has archaeologists focusing on an ethnographic group in the Pacific Northwest called the Coast Salish people. _______to the main idea of each paragraph.a.finding out b.found out c.find out d.to find out 选的是c ,请问下原因,这算什么结构：find out to是不是书上印错了哦 i want to find out,only belong to my dependence.这句句子语法对吗i want to find out the dependence only belonging to me. Observe means to find out information.请问这句话是什么结构?为什么要加to呢? 请问rolling in the deep 2句歌词的发音问题~count your blessings to find what look for?后半句我怎么听的what truly for?what t不发音 谁能给个音标谢谢Reaching a fever pitch and it's bringing me out the dark.这句 and it's 的 请问find与find out的区别 I wii find out what resource are realy about.,请问这句如何翻译以及what 的用法. 分析一句简单的英语结构I want you to do everything you can to find out who's responsible.虽然这句话看得懂,但是不太清楚句子的结构.分析主谓宾、从句什么的. Everybody on board was worried and we were curious to find out what had happened.句中的find 放在句中翻译似乎有点不通顺,请解释并翻译此句, I’m going to find out what the hell she thinks she’s doing这句如何翻译 请问这句话什么地方错了：IT IS EASY FOR ME TO FIND OUT WHERE ARE YOU 请问find out 与find out about 具体有什么区别?find out 是及物动词为什么下面这个句子要加about?It is a huge prlblem for adopted children to find out about their natural parents. out,will,to,come,he,party,if,find,i,want,the,to连词成句 the was person he to first out findthe was person he to first out find why(连词成句） I went to his office only___him out.为什么选to find而不选found if job she likes out want her to find I 连词成句 Let's find out what we can do to save the animals的同义句 连词成句 if,job,she,likes,out,want,her,to,find,l