After the meeting, she invited us to dinner at her home and treated us _____ many exotic foods we _____ before. It was really a wonderful treat.
The factory produces half a million pairs of shoes every year, _________ are sold abroad.
China isn't the country _________ she used to be 50 years ago.
Do you have anything is important to tell me?
20 . They have made_______a rule________in the room.
19. I wondered_____that made him so upset.