作状语修饰benefit。

　　分析句意及语境可知此处指作者向客人表示祝愿根据英语习惯用may而不是can。

　　语法填空

　　y of saying things and his own special expressions.Many everyday American expressions are based __1__ colors.Red is a hot color.Americans often use it to express heat.They __2__ say they are red hot about something unfair.When they are red hot they __3__be very angry about something.The small hot tasting peppers found in many Mexican foods __4__(call)red hots for their color and their spicy taste.Fast loud music is popular with many people.They __5__ say the music is red hot，especially the kind called Dixieland jazz.Pink is a __6__(light)kind of red.People sometimes say they are in the pink

　　__7__ they are in good health.The expression was first used in America at the beginning of the __8__(twenty)century.It probably comes from the fact that many babies are born with a nice pink color __9__

　　shows that they are in good health.Blue is a cool color.The traditional blues music in the United States is __10__ opposite of red hot music.Blues is slow，sad and soulful(深情的)．Someone who is blue is very sad.

　　on　be based on“以……

　　2．may　根据上下文意思可知此处指他们可能会做的事情故填may。

　　must　根据句意可知此处指肯定的推测应填must。

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