If you happen to see the process of cooking in a restaurant, you might see the cook using rubbish oil, which is a common _____ in China nowadays.
Dorothy was always speaking highly of her role in the play, ________,of course , made the others unhappy.
As is known to all, _____ opening ceremony of the 26th Shenzhen University was _________ great success.
Hearing what the man has done, they insist that such behavior should not be _____ whatever he says.
Our English teacher is ______ our teacher; she is also our best friend.
He was so excited and insisted that what he had done completely______ their demand(要求).