I have decided when I will start.对when I will start 提问

I have decided when I will start.对when I will start 提问 have you decided yet?yes,i decided at once为什么钚用have decided 或will decided When and where to have the party( )yetA has not been decided B have not been decided C has not decided Dhave not decided 2道英语选择题：..1.Have you decided yet?YES,I just now A.have decided B decided..为什么选B不选A2...I have finished my math homework.---When( )you( )it?A..have finished B..did finish .为什么要选择B答案?怎么想的.思路还有, 定语从句判断：That's when I decided to change. THAT'S WHEN I DECIDED TO CHANGE是什么从句 i have to work on sunday ,i dont like ,so i have decided to change my joba which b that c it d when 为什么i have to work on sunday ,i dont like ,so i have decided to change my job When and where to build the new school （ ）A：is not decided B:are not decided C:has not decided D:have not decided when and where to go for the on-slary holiday___yeta:are not decided b:have not been decided c:is not being decided d:has not been decided ___my boyfriend and i decided to get married,my family encouraged us to have a holiday.AS、when怎么填谢谢 -how's your project?i heard you started it last night -i__for it ,but i haven't decided when to do-how's your project?i heard you started it last night -i__for it ,but i haven't decided when to do it为啥天的事have been preparing?不应该是have 1 there () lots of fish in this river years ago A were B was CareD is 2 when and where to build the new factory () yet A is not decided Bare not decided Chas not decided D have not decided我觉得C好像是对的3 Will you stay for supper sorry,I () As far as I know,when and where to give the concert( ) yet.A.hasn't decided B.have not been decided C.is not being decided D.is not decided答案为什么是D?我觉得应该是B,现在完成时啊,有yet to ,I ,stay,at,decided,home,have连词成句 I have decided not to love you,really. I have decided to give up smoking是什么意思 I have already decided to buy that new phone对吗 To you,i have decided to love life翻译.