听力原文：（A) They are raising the pipes.（B) They are lying down on the ground.（C) They are

听力原文：（A) They are sitting with their legs crossed.（B) They are putting the mats away.（

听力原文：（A)They are looking through the microscopes.（B)They are sitting next to each othe

听力原文：（A)All of them are sitting around the table.（B)They are making a chart together.（

听力原文：（A) The house is more than three stories high. （B) They are wandering with their

听力原文：（A)The woman is carrying a bag.（B)The man is gesturing as he speaks.（C)They are w

听力原文：（A)They are in the middle of a discussion.（B)They are applauding the orchestra.（C