If this dictionary is not yours,( ) can it be?A.what else B.who else C.which else's D.who else's我觉得是C呀

I bought this dictionary last week.(保持愿意） I ( ) ( ) this dictionary last week i buy a dictionary this morning错哪了 I hear this dictionary is very ____ for us students I bought this dictionary 3 weeks ago 改为同义句 I （）（）this dictionary for 3 weeks. 把I have had this dictionary for three years.改为同义句I had this dictionary ____ _____　______. if i choose this project, 为什么用if而不用becausei buy a dictionary yesterday if i had time Linda,it this ( ) dictionary? ( ) this your dictionary? if you can't understand what i say,try to use your dictionary or ask If you lost your dictionary if i were firse this time... This dictionary is so expensive that I can not afford it（改为简单句）This dictionary is __ expensive for me __ __ I borrowed this e-dictionary from my former schoolmate(改为同义句）:My former schoolmate （ ）this e-dictionary ( ) me. bubbly具体是什么意思呢?If I ask the meaning of a word which could easily be found in a dictionary,I must have asked it for some reason,right?Thanks,though!Techcom3!What if i use this word to describe people's character?What does it mean? I spent 49 yuan on this English-Chinese dictionary(改为同义句) i paid 25 yuan for this dictionarythis dictionary 什么什么25 yuan I have left my dictionary at home this morning这样说对不对?