问题补充:
If you can’t read the new words, you may in the dictionary.
A. look it up
B. look up it
C. look them up
D. look up them
答案:
A. look it up
B. look up it
(答案→)C. look them up
D. look up them
解析:考察动词短语。句意:如果你不能读这个新单词,你可以在词典中查阅它。结合语境可知此处代词指代前文提到的这些新单词,故用复数形式。当短语由动词(vt.)+副词构成,此类短语可以带宾语,宾语若是名词,放在副词前后皆可;宾语若是人称代词,只能放在副词的前面。故选C。