Karen, Judy and I were the last ones back in the school room after lunch and all of the other sixth graders were already playing outside．
“Wow! How        it would be to write on the blackboard while everyone is      ．” Judy said．
“But Mrs. Eiffler doesn't want us writing on the        ,” I responded．
“Janet, everyone is outside．No one will ever know, ” said Karen, reaching into box and drawing out a piece of       ．Judy also began drawing．
I reluctantly （勉强地）joined my friends, but afraid of being       ．Then Judy had all idea． “We’re all right-handed．Let’s see who can write their         best using their left hand．”
Judy and Karen started       ．I chose a piece of white chalk from the box and wrote my name．
“We’d better get this board cleaned off        Mrs. Eiffier comes back, ”said Judy, but I found it wasn’t chalk at all, but a white crayon（蜡笔）! At last, Karen got a knife and scraped it．It        finally, but we left an abrasion （磨损处） on the blackboard．
Mrs. Eiffler never asked about the abrasion but I always remember the lesson．“No one will ever know” is never        ．Even if no one else found out, I myself knew．

A．useful B．fun C．stupid D．necessary

A．asleep B．worried C．outside D．lucky

A．blackboard B．book C．desk D．floor

A．bread B．wood C．paper D．chalk

A．followed B．praised C．caught D．affected

A．address B．class C．name D．dream

A．writing B．singing C．shouting D．reading

A．until B．before C．unless D．since

A．broke down B．took off C．came off D．slowed down

A．true B．typical C．important D．different．

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