________of the chemical factories in their city _________pouring waste water into the river. It’s too dangerous.
Do you believe what he _______about his best friend? Yes , he never _______lies.
Every year there are about _______ people waiting for their trains back home in the railway station before Spring Festival comes.
The light on the wall is broken. He wants to __________a new one.
Please try your best to finish the work with ______ money and _______ people.
---I’m sorry I______ my exercise book at home.---Don’t forget ______it to school tomorrow, please.