I don't know whether this is the best way 是什么句式?

I don't know whether this is the best way 是什么句式? 英语翻译i don't know whether this is the part that she played in I don't know which is the best answer 和I don't know which th 1.I don't know whether this is ___part that she played in He I don't know whether to deal with this matter? I don't know whether he is w___ to come -I don't know whether the answer is right.-You can ___ your I don't know whether he is still ( )in the world.选项在补充 关于宾语从句的问题 I don,t know who is the best one I don.t know who ----I don't know this is a one-way street,officer. I am sorry___I don't think it is the best way to solve the p This is the best way I could think of ___ the students ___ t