英语翻译The hot mixture produced() a pleasant smell.I make a few

英语翻译
The hot mixture produced() a pleasant smell.
I make a few mistakes in the test paper .
对他来说最有帮助的书/有意义的书
The plan should in the of 2000 new jobs.
We should make a big living space by< knocking two rooms into one>.
Although the fight is over,several problems to be solved.
带《》的即使一下

produced(叶子等)畸形伸长的,引长的
by accident偶然地
mistake错误
result结果
creation作品；产物
We should make a big living space by< knocking two rooms into one>.我应该能通过能把两个房间的隔墙敲掉来弄成一个房间来把居住空间弄大
remained仍久是；留下