Mr. Flowers’ good idea was to ______.
· write some words othe glass
·put up a large notice to cover his glass-houses
· give the boys something else to throw stones at
· send for policemen

单选题
·win a silver cup for growing a rose of a new color
· in his free time at the beginning and end of the school day
· do all the above
· give the boys something else to throw stones at