you'd better look it u------ in the dictionary if you don't understand

you'd better look it u------ in the dictionary if you don't understand The word is new to us.You’d better ______ in the dictionary.A.look at it B.look for itC.look it upD.look it out Look!Your room is so dirty and u__ .Youd better clean it now. You'd better( )it today You'd better( )it today? You'd better know You'd better know it if you want to know the word( )you'd better look it up in the dictionarya hardlyb carefullyc mostlyd exactly You look tired; you'd better ________ (have) a rest. 英语翻译?You’d better look before you leap. You look pale.You'd better go to see a (You look pale.You'd better go to see a ( ). You better'd look out for yourself是什么意思 －I think you'd better copy the composition again before you hand it in,then it will look a little－I think you'd better copy the composition again before you hand it in,then it will look a little better.--Oh,dear!___________A.Who cares?B.No proble If you don't the meaning of the word [ ] ,youd better look it up in the dictionary.A .mostly B.exactly C.nearly D.hardly you'd better have it repaired是不是等于you'd better repair it You'd better look up the new word in a dictionary(if)you don't know it?为什么不用whether?怎么翻译? Before you eat this apple,you'd better w_______ it. If you love somebody.You'd better let it out. 17.This disease is second only _______ heart attack as a cause of death all over the world.A.to B.of C.with D.from18.The word is new to us.You'd better ______ in the dictionary.A.look at it B.look for it C.look it up D.look it out19.If there is no on