There are lots of rules about good manners, but the ________ idea behind them all is this: Treat people the way you wish they would treat you.
It was already past midnight and only three young men ____in the teahouse.
____ so much trouble, we failed to complete the task on time.
____with so much trouble, we failed to complete the task on time.
Could you please tell me where you bought the shoes you ________ yesterday?
I really can't understand ______ her like that.