One should have a _______ of right and wrong.
Even if your suggestions are ,at least you have tried your best.
She got stuck in a terrible traffic jam on the highway to Shanghai,or she dinner with her family now.
The magician picked some persons from the audience _____ and asked them to help him with the performance.
Let's find a place we can wait out the snowstorm.
Barack Obama delivered a speech to 500 local youths during his visit to China,many of were from Fudan University and Tongji University.