Paul _____ his mother, he _____ reading, too.
---_____you _____ out the problem, Sam?--- Not yet, but I’m going to.
--- Some of the plastic bags can’t ______ after June1.--- Yes, people will use environmental bags instead.
--- All the clerks went home _____ Mr. Wang. Why?--- Because he had to finish his work.
--- Can you_____ your little brother? I’m busy now.--- OK. I’ll do it right now.
--- You always spend only a little time on your study. You really _____ me down.--- I’m sorry, Mum. I won’t do that again.