be born in是固定词组吗?特别是in急,

be born in是固定词组吗?特别是in急, I was born___May 14.What about you?A.at B.in C.on D.for正确答案是选C 可是为什么呢?be born in + 时间 不是固定词组吗,我也知道具体某一天用on.可是为什么要选on呢? She's modest about her success in the contest,什么意思?句中的be modest about是固定词组吗? Clinton was born into a poor family in 1946是对的么?我见过的词组是 be born in 而 be born into 是不是错了,能那么说么 不能吧 It will be able to in two weeks.这里的Be able to 是固定词组,还是able to 是固定词组? 英语词组 是不是就是 固定搭配的短语?比如说in front of 这是词组吗? be born in +时间还是be born be born + ?be born in + 地点/?be born on + ? 翻译:be born in different kinds of chinese lanterns will be on show?be on show是固定词组吗? be disappointed in为什么不能是be disappoint in这应该只是固定词组不是被动语态吧…… 原句是his parents will be disappointed in him be dying of这是一个固定词组吗?如果是,怎么翻译? stand in on the earth stand in 是固定词组吗? 英语翻译be vulnerable to是一个固定词组吗?怎么翻译? there be sb doing sth这个是固定词组吗,还是现在分词作后置定语 get ready for 是固定词组吗 get能用be have make 或let代替吗中考要记住哪些重要的固定词组啊 有was born in吗be die in fight the war是固定词组吗?