i can't decide ____ a.which to buy b.to buy which为什么用a?不可以用b吗?!

I Can't Decide 歌词 I Can'T Decide 歌词 I can't decide when I can play basketball同义句I can‘t decide when ________ ________ play basketball L can't decide which one I should bay.L can't decide which one I should bay.I can't decide . i can't decide which pair of jeans i should buy i can't decide which pair of jeans() () I can’t decide which dictionary I'll choose改为同义句 I can’t decide which dictionary ----- ----- i can't decide which flat i shall choose 保持原意i can't decide which flat ------- ------- I can't decide which one _______(choose) I can't decide to buy which one, i can't decide which one l should buy I can't decide which one _____(chose) i can't decide which one _____(chooes) I can't decide when to start(同义句) I can't decide where to go?(变同义句）I can't decide where___ ____go? I can't decide which dress to buy 为什么不可以说是I can't decide to buy which dress I can't stand ____! I can't decide if I can join in your party tomorrow同义句I can't decide() I can join in your party tomarrow ()() i want to know how you make your spoken english ____(sound) like music.i can't decide which colour ________ (choose)