One day at the end of the class，a clever teacher told the students to bring a plastic（塑料的）bag and a bag of1 to school. The next day she told her students， "From today on，if you don't like anyone in your lives，you can choose a potato，write the person's name and then2 it in the plastic bag. " A few days later，some of the students' bags were full of potatoes and very3 .
She told them to carry the bag with them everywhere for a week. The students would put the bags inside their quilts（被子）4 ，on the seats when they sat in a car or on a bus，and next to their desks at school. They had to pay attention to（注意） them all the time. This5 the students feel too tired. They got to know the weight they were carrying in their minds. As time passed by，the potatoes were bad6 . They all wanted to throw them away.
We always think of tolerance（宽容） is a gift for7 people，and it is also a gift for8 !If we choose to keep our sadness and bad things in our9 ，we will have to remember and carry them all our lives. We won't feel happy10 we forget them.
