听力原文：（A) Some boats are docked in the harbor.（B) The boats are transporting cargo.（C)

听力原文：（A) Some of the windows have been open.（B) People are riding horses.（C) The horse

听力原文：（A) Some building materials are piled up on the ground.（B) A brick wall is being

听力原文：（A) Some people are sitting next to the fountain.（B) Some people are waiting for

听力原文：（A) Some people are looking for a statue.（B) The floor is being cleaned.（C) Peopl

听力原文：（A) Some cars are parked next to the curbs.（B) A man is riding a motorcycle in th

听力原文：（A) The posters on the side of the building are being put up.（B) Some people are