31，benefit concert 慈善音乐会We need to let everyone know about the benefit concert， but we don‘t have much money for advertising.
32， busy signal 占线I‘ve been calling David for the past half hour， but I keep getting a busysignal.
33，between you and me 你我之间，保密
34，call for
A，打电话找Tom just called for you.
B，预报The forecast calls for heavy rain again tonight. Aren‘t you glad we’ll be getting away from this for a week？
C，问It‘s probably in the new part of town. We’ll have to call for directions.
35， call it a day 就此结束
A： I‘m really glad our club decides to raise money for the children’s hospital， and most of the people we‘ve phoned seemed happy to contribute.
B： Yeah， I agree. Now we‘ve gone through all the numbers on our list now，so I guess we can call it a day.
36，cash the check 兑现支票Have your sister cashed her paycheck？
37，clear off 收拾，整理It‘s about time we clear off the desk.
38，come down （雨，雪）下起来The heavy rain is coming down， now.
39， come in first in the race 比赛第一名Not only did Jill come in first in the race but she also had her best running time of the season.
40，come what may 不管怎样We‘ll pick you up tomorrow at eight， come what may.
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