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.

be lacking in,lack词性? lack的用法请问a lack of、be lacking in和lack for用法上有什么区别? 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^^^ 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? 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. 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 关于短语be lacking in1.be lacking in 中的lack什么词性?2.这是表示进行时吗? 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, 请问lack,lack for,be lacking for有什么区别? 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. be lacking in life be lack of和be lack in区别 lack ,lack in ,lack of有什么区别比如说Though_____money,his parents managed to send him to university.A.lacked B.lacking of C.lacking D.lacked in The man was set free ____evidenceA.for lack in B.for lack of C.with lack of D.lacking of 请说明理由 为什么B 不用lacking 高中英语lack和lack of Those people ______a general understanding of hte present situation.A.lack of B.are lacking of C.lack D.are in lackkey:c 我选A 请讲一讲这道题里的lack 和lack of的区别,为什么这道题必须选C the lack of和lack of有区别么they didnt finish the experiment successfully because of ( ) courageA lack inB the lacking ofC lack ofD the lack of be lacking in the sense of security