听力原文：Tom enjoys working on a plane. A．B．C．

听力原文：（A) The repair work has finished.（B) The man is measuring the wall.（C) The man is

听力原文：Should I work on the bookkeeping？（A) She went to the library.（B) Yes, you should

听力原文：What do you like doing on Sunday？（9)A．Swimming.B．Swim.C．Certainly.

听力原文：（A) He is putting on some protective clothes.（B) He is standing near equipment.（C

听力原文：（A) The boxes are on a conveyor belt.（B) Workers are taping the boxes.（C) Workers

听力原文：Why not continue working on this program tomorrow morning？（A) I have nothing to d