我会填多音字,并组词。
载 zài ____ zǎi ____
铺 pū ____ pù ____
His parents were worried that he______ too much time chatting on line.
甲数为x,乙数为y,则甲数的3倍与乙数的和除甲数与乙数的3倍的差,可表示为( )