听力原文：（A) The crew prepares for the event. （B) The technician adjusts the equipment. （C

听力原文：（A) The gardeners are planting a tree. （B) The firefighters are filling their buc

听力原文：When will the performance begin？ （A) The foreman will begin working tomorrow. （B)

听力原文：There is a bird in the tree． A．B．C．

听力原文：The shopping center is in the tall building. A．B．C．

听力原文：（A)The train has stopped at the station.（B)The conductor is checking the passenge

听力原文：Who will attend the party？（16)A．Only one stu