下列各句中，没有语病的一项是

Could you take a message for me—

Youare_____carefulthanyourbrother.Youtwocan’tdotheworkthatneedscareandskill.

A cat, ______ it is a white one ______ a black one, is considered to be a good cat as long as it can catch mice.

Could you please_______the rule of the game to me I’d like to learn to play it.