EPS sib quas ntus foaming tshuab foaming teeb meem
1. Cov qauv ntawm lub tshuab twg? Muaj ntau hom tshuab sib quas ntus.
2. Koj lub zog ua haujlwm ntau npaum li cas? Nws' ua haujlwm chav
3. Koj puas siv lub tshuab ua npuas tsis tu ncua rau zaum thib ob lossis koj puas tsuas muaj?
4. Puas yog qhov hnyav yuav tsum tau hnyav hauv lub txaj dej lossis hauv lub qhov ncauj tawm? Mus rau lub qhov ncauj tawm qhov hnyav ua kom nrawm, lossis nws yuav nqaim, koj siv lub hnab los kho kom zoo nkauj thiab tso rau sab, tom qab 4 teev qhov hnyav yog qhov zoo tshaj plaws.