Cloze 2 (2018浙江11月) I had a student today who got his finger stuck inside a test tube in science class. It was really quite stuck. This young man's finger　1    to get whiter and whiter right before my eyes. Remaining　2    , I suggested he carefully rotate(转动)the tube. It wouldn't move a bit. He　3    soap and cold water. Still stuck. Meanwhile　4    was breaking out in the class. Finally, I　5    the young man to our secretary, who was a miracle(奇迹)worker　6    three kids of her own. With her in charge, I was　7    all would be OK. To get the students back in order, I　8    my own story of getting my　9    stuck between the rails of a balcony. Same kind of curiosity, I remembered　10    then how far I could thrust(塞)my knee between the rails. Inch by inch, I kept　11    and before I knew it, my knee was stuck and　12    before my eyes and in front of lots of　13    at a popular Las Vegas hotel! Hearing my story, many students followed with their own　14    of heads, arms, fingers stuck in places they shouldn't　15    . A few minutes later, the young man came back, test tube unbroken and finger　16    to a lovely shade of pink.