what does it need to make a trip into space is careful preparations.

What does need to be prepared barbecue ? What does the sentence A real friand doesn't need to look it up mean? what does it need to make a trip into space is careful preparations. what does Sam need to make the tea. -----he ---it?a does;need know b does;need to know c needs ;know d need; to know what does it matter to you? What Does It Matter to Me 歌词 what does it mean to you? “what does it take to do” 是什么意思? what does it mean to be chinese? It is dangerous to shop bargains one does not need Why do I need to know this information?Why is it quite helpful?What principle does it illustrate?How can I use this information?请翻译 翻译what does he need? What does it mean What does it means? what does it say What does it say? what does it say?