________of the chemical factories in their city _________pouring waste water into the river. It’s too dangerous.
--- ___________ --- Drop in if you have time.
---Happy New Year, Jimmy! ---____________.
---Can I borrow your dictionary? I _______ mine at home. --- OK. Here you are.
---Look! That’s Amy. ---It _______ be her. She’s gone to Xi’an.
--- I would like some pants. ---OK, look at the blue _______.