Experts believe________people can waste less food by shopping only when it is necessary. (2013·北京,33)
When she was doing the cleaning yesterday, Mum found the ring that she _____ years ago.
Those brave men died, but their spirits ___.
He is one of the boys __ on time.
This bridge is __ for heavy trucks to pas through.
“You are not a new member, are you? ” “___. I joined only yesterday.”