I was made chairman of the meeting. 什么意思?chairman前面为什么不加冠词?

I was made chairman of the meeting. 什么意思?chairman前面为什么不加冠词? tom took ( ) office last week and was made () chairman of the company.为什么这两处都不填写冠词.请说明理由. ()chairman of the students' Union surprised usThat he was madewhether he madewhta he was makinghe was made说明原因谢谢了 i was made for loving you 中文歌词 I Was Made For Loving You 歌词 If I was made for you 歌词 chairman When I was lonly I made sure I love you Chairman Mao was our great l_____. he was in the running for Chairman. Your____from the meeting made the chairman very angry.(absent) when i was young,i ()dresses()silk very much a like ,be made of b liked,made ofc like,made of d liked,was made of Mark was a student at this university from 1999 to 2003,____ ,he studied very hard and was made Chairman of the Students' Union.A.during which time B.for which time C.during whose time D.by that time I was made for loving you的意思? I want to investigate how food is/was made i was so w__ to have made such a decision I was made ____(take) out the garbage. Mark was a student at this university from 1999 to 2003,______ he studied very hard and was made Cfor which time不是也表示一段时间内吗Mark was a student at this university from 1999 to 2003,______ he studied very hard and was made Chairman