True friendship is like sound health, whose value is seldom known it is lost.
____ , I will not buy it.
—— Here ____! Where is Xiao Liu?---- There ____.
—What do you think made the girl so glad?—_____a beautiful necklace.
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.
Farmers in China began to use tractors ___ cattle for farming work.