distractors: unbelievable unflexible unimportant
sentence: Unfortunately  , one day the fawn who stayed away from school  stepped in  and was trapped.Since he was  missing  , his mother got worried.She went to her brother the teacher, and  asked  him if her son had learned something.The teacher  replied  ,"My dear sister, your son was disobedient and  [MASK]  .Out of respect for you, I  tried my best  to teach him.But he did not want to learn the  tricks  of deer.He escaped school!