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?

You'd better __this word up in the dictionary.Alook Blooking Cto look if you want to know the word( )you'd better look it up in the dictionarya hardlyb carefullyc mostlyd exactly You'd better look up the words____ the dictionary. A.in B.on C.at D.from You look tired; you'd better ________ (have) a rest. 英语翻译?You’d better look before you leap. You don't look well today.You'd better have a rest -----going out.A.instead of B.because of C.don't D.give up解释 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 look pale.You'd better go to see a (You look pale.You'd better go to see a ( ). 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? You better'd look out for yourself是什么意思 mom,where are my socks?i can't see them.you'd better （ ）your things well.a,look forB lookBlook afterClook up It's too late ,You'd better ______ stay up . You 'd better give up smoking.(改否定句）You 'd _________ __________give up smoking. 新概念1 请热爱英语的朋友进来详解1:Mrs Li is out .i have to __her baby.(B)A :look around B:look up C:look for D :look after 2:You'd better take the money__you.(D)A ;to B :for C:of D :with3:What do you mean __cheap,please?(A)A:buy B :w you can look up a word in a （d ） You'd better look after yourlittle puppy.同意句You'd better____ ____ ____your little puppy 各位大哥大姐大妈大叔大姨大师,If you want to know the meaning of the word ____,you`d better look it up in the dictionary.A.mostly B.exactly C.nearly D.hardly It is freezing outside;you'd better ___black ice when you drive homea,look down on b,check up on c watch out for d keep out 在线等,谢谢能说说原因吗？为什么a不对