I think__bad manners to talk with your mouth full.为什么答案给的是空格不填那?为什么不是填it

I think__bad manners to talk with your mouth full.为什么答案给的是空格不填那?为什么不是填it Good manners and bad manners I want to know the differences between Chinese and Americans' social manners I've had enough of your bad manners.意思?如题、 I could feel nothing but indignity at my guest's bad manners.请翻译 ：I think of good manners as a kind of hiiden beauty secret 英语翻译是dinning manners 还是table manners? .I’ve had enough of your bad manners.Will you please___ yourself?A.behave B.perform C.act D.present 谁能帮我解释一下这句子：I think of good manners as a kind of hiiden beauty secret I think of good manners as a sort of hidden beauty secret.为什么不能直接写think?去掉of I think it's bad manners to run---your parents是run off,run down 还是run out 英语将下列单词重组成完整,正确的句子table,I,to,do,what,was,learning,the,manners,decided good manners英语作文 learn about manners翻译 on good manners 什么叫做good manners good manners什么意思 table manners简短文章