to lack in 怎么用啊 和 be lacking in 什么区别下面这句话用的什么句型?A person who holds a hand over his mouth when he is talking is signalling that he is lacking in confidence.

be lack of和be lack in区别 to lack in 怎么用啊 和 be lacking in 什么区别下面这句话用的什么句型?A person who holds a hand over his mouth when he is talking is signalling that he is lacking in confidence. 英语中Lack的用法请问lack,a lack of,be lacking in这3个词有什么区别.我知道lack可以做动词和名词.a lack of是个名词词组,并且a可以省略.be lacking in是动词短语.它们3个的用法到底该怎么用.比如:1;Those lack的用法请问a lack of、be lacking in和lack for用法上有什么区别? be lacking in,lack词性? lack 的用法a lack of、be lacking in和lack for用法上有什么区别吗?尤其是lack of 和lack in 用法上的区别?最好给例句^^^ a lack of a lack of 与 no lack of 的区别那么补充一句：lack in 怎么用呢？ You are not to be able to don't lack in my life什么意思? be lacking sth 和be lack in sth的区别?例：Though ______ money,the poor couple managed to send their son to college .A lacking in B lacking这里省掉了从句的主语和系动词 he was. be lacking in 是什么词性 举例说明lack lack of 的区别有be lack of 这个词组吗? lack相关短语的区别,be lack of,be lacking in ,lack sth,a lack of sth,等等并造句,如果还有其他相关短语,也请列出, So many troubles in this country---crime,the lack of purpose that seems to be taking over the lives given to 和given in区别In teaching,priority should be GIVEN TO listening and speaking,and ,serious training should be GIVEN IN spelling.我觉得是一样的意思啊,怎么一个用given to ,一个用given in lack与lack of是怎么用的 lack与lack of是怎么用的 to be句型和to have句型怎么用啊! be lacking in 和 lack for区别用法上有区别么?意思是否相同?例句说明. 有没有be lack of这种用法?lack只有名词和动词词性,为什么见过be lack of的说法?这里的lack是名词的话没有冠词啊?还有lack有什么常用的搭配?能与of连用吗?