⑴Put enough soap over the hands.
⑵Palm(手掌) to palm with fingers crossed.
⑶Wash soap off hands with running water.
⑷Rub(摩擦) the right thumb(拇指) with the left hand.
A. B. C. D.
Which order of the pictures shows the right steps(步骤) on washing hands?
A.ACBD B.BCDA C.CADB D.DABC