89. Be careful of those who are in sheep’s _____.
79. Before there goes the bell for class, our math teacher took out a piece of and wrote his problems on the blackboard.
80. We all don’t like the boy for his miser(吝啬), but he has the ______ actively to get near us because he has no little friends to play together with.
81. ________is a kind of food made from milk curds.
82. The mansion built here last year is another _____ palace in our city.
83. He is getting older and older, perhaps into his second , playing with his grandson’s toy trains all day long.