I haven't decided _____ I'll go to Guangzhou next month.A.how B.why 请问为什么,谢谢!请问why为什么不能用？

I haven't decided which plane I shall take to Beijing.(改同义句) I haven't decided which plane __(1)__ __(2)__ to Beijing.麻烦说下1和2要写什么! I haven't decided if I will leave for Beijing tomorrow.l haven't decided ----I haven't decided if I will leave for Beijing tomorrow.l haven't decided ------- ------- leave for Beijing tomorrow. I haven't decided when____(take) a holiday. I haven't decided 1个动词填空,I haven't decided which hotel (choose )to stay at . -I haven't decided if will go to the party tomorrow.-If you __,neither__.A.don't; will I.B.won't; will I.C.don't; do I.D.won't; do I. When are you going to Hainan for your holidays?I haven't decided.__this Sunday__next Sunday is OK.When are you going to Hainan for your holidays?I haven't decided.__ this Sunday __ next Sunday is OK.A Both; and B Either; orC Not only; but alsoC 为 I haven't decided which plane I shall take to Beijing.(保持原句意思）I haven't decided which plane ______ ______to Beijing. I haven't decided whether to go to Japan.（同义句转换）I haven't decided whether _________ _________ _________to Japan. I haven't decided whether l'll go to see the film or not.保持愿意I haven't decided ______ ______go to see the film. I haven't decided whether l'll go to see the film or not.保持愿意I haven't decided ______ ______go to see the film. Professor Wang will give us a lectrue on the black hole,but where and when __ yet.A.hasn't been decided B.haven't decided C.isn't being decided D.aren't decided I haven't decided where I ____(spend) the coming holiday. I haven't decided if i hand in the money to my teacher.同义句 I'm leaving in an hour and I haven't ____ yet.picked filled decided packed I haven‘t do 和I didn’t do 的区别.比如说，I didn‘t decide和I haven’t decided。 i haven't decided when ___（take）a holiday yet I haven't decided to____ ____ _____ ____ ____ ____ (是走还是留) I haven’t decided which _____(choose)俺不会嗷嗷嗷 .