keep it up\ pick it up\ put it on\ put it off\ not at all 怎么连音?每个单词之间都要连读吗?我看的是赖世雄老师的美语音标中的一个章节,讲连音,这几个词组还是不太懂,

pick it up pick it up 跟pick up it的区别? 是pick it up还是pick up it? keep it up Joy keep it up是什么意思 pick up it和pick it 有什么区别? pick up it和pick it 有什么区别? pick it up什么意思快! pick it up,please是祈使句吗? When we see rubbish,we should_________.A.pick it upB.pick them upC.pick it up Should I Keep it up? give it up ；pick it up；put it up；put it down；分别是什么意思? Your book is under the chair.PLease____.A pick it B pick up it C pick it up Please pick up the _______. Don’t keep it on the floor. A. boxes B. paper C. books D. bottles 有pick up it 这么用的吗?与pick it up怎么区别? Please pick it up.为什么it要放pick up的中间 对snacks提问用them还是it?例如：pick them up 还是 pick it up 动词短语代词为什么代词在中间pick it up 和 pick up it