改写意思相近或意思相同的句子`why don't you read it slowly? ___ ___read slowly!

间单明了，用Why not read it slowly最恰当，其他牵强。

Can't you read it slowly!
Why not read it slowly!
Please read it slowly!
Just read it slowly!
Try to read it slowly!'
(总觉得要把"it"加上去）

you should read it slowly
you'd better read it slowly

Just