补全对话a:canihelpyou?b:yes___.todayismother'sday.i'mlookingforapresent_____mymother.
a:maybeyoucanbuyhersomefiowers.b:great!but_____flowersshallibuy,rosesorcarnations?a:ithinkcarnationsare________.theymeanhappiness,sweetnessandlove.theyare_______mothers.b:how_______arethey?a:thirtyyuanabunch.b:ok.i'll_______it.here'sthemoney.a:thankyouandbest___________toyourmother.goodbye!b:bye!