pick up it和pick it 有什么区别?

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 pick it up 跟pick up it的区别? 是pick it up还是pick up it? pick it up 和 pick up the book 有什么区别pick up 当做建起的意思讲.用法有什么区别,什么时候必须用某一个? 动词短语代词为什么代词在中间pick it up 和 pick up it 有pick up it 这么用的吗?与pick it up怎么区别? 请问 pick it up 和 pick up it 有什么区别?我们老师好像提过,好像跟 人称代词 、 名词 之类的有关………… 请问 pick it up 和 pick up it 有什么区别?我们老师好像提过,好像跟 人称代词 、 名词 之类的有关………… 我一直不明白pick it up这类的词组和pick it up,有什么区别,分别用在什么句子中? When we see rubbish,we should_________.A.pick it upB.pick them upC.pick it up try to remember和pick it up的中文 pick it up 如果主语是复数,那么“it”换不换?有没有可能是pick them up如题 pick you up 和pick up you有什么区别? pick it up什么意思快! pick it up,please是祈使句吗? Your book is under the chair.PLease____.A pick it B pick up it C pick it up