从but however while中选词填空

从but however while中选词填空 but yet while however 区别 but however..区别是什么but however yet while 区别是什么 yet however but while 的区别 however,yet,but,while之间的关系 however while but 的区别是什么呢 yet,however,but,while,still 作然而但是讲时,差别在哪儿 yet,however,but,while,still是然而、但是时,差别在哪里? 请问 yet while however but 的谁来 help me 搞不懂这区别 伤脑筋 英语转折连词问题but however while yet 四个词的用法区别是什么 so however while but 等一些转折词的感情色彩 几个然而介词的区别whereas however, while, nevertheless, but, yet... but和however区别 but however是什么意思 she never feels happy,___ she is very rich.a.but b.however c.though d.while He always goes swimming,_____ cold it is .a.however b.but c.yet d.while 恳请详解 I want you to go to the post office _____ you are there,can you get some stamps (从 as while because until 中选）______he is a child,hecan speak english ( although but as while )Although there is a difference in spelling ,pronunciation between Am but 和however 的区别