look after, look for ,look out ....应该怎么填

look after, look for ,look out ,look over , look up , look into
1.________your exercise before you hand them in.
2.He promised to ________ the matter .
3.Who will ________ the children while we are away?
4.I'm ________ my brother. Have you seen him ?
5.________!There 's danger ahead.
6.________it ________ in the dictionary if you don't know a word
我是要怎么填这些词进去
而不是意思
谢了啊

look in ,look for , look after ,look around 的意思 look for ,look up , look after look at的意思.帮帮忙,谢谢! Look after ````` look for look after,take care of,care for有啥区别？ look after 英语翻译 look after 是什么意思？ look after 造句 LOOK~！~！~！ ~~~look~~