i don't know how they decided 还是 decide 时态怎么用呢

i don't know how they decided 还是 decide 时态怎么用呢 I don't know how they deal with the problem=I don't know （ ） i don't know how to swim.i decided what to buy.这两个句子里面的how t 我不知道该怎么去那里.i don't know how to go.还是i don't know how to go t I don't know 后面跟的宾语从句是用现在还是用过去时态? i don't know ()to do.填what还是how 怎么翻译“People don't care how much you know until they know how I don't know how to they don’t know how to enjoy themselves (同义句）they don’t know I don't think so.Teachers are n______ any time.they know how --how many books have you ______?--I don't know.they are all I don't know how to deal with customers _____ they make a re