【正文】
2) playing a guessing game: Divide the whole class into four groups to have a petitin. The teacher read a sentence to describe a kind of animal each time and students guess what it is as quickly as they can according to the information given by teacher. The group who can get the right answer in the shortest time will be winner. All the students try to write 56 sentences to describe a kind of animal that they are familiar with, This is an individual work. Then one student of a group of four members read his /her description and the other members guess what the animal is . The memb