—Is your father a teacher or a worker?—
Take the exam carefully, _____ you won’t get full marks.
We hope that with the help of the new skill, Liu Xiang can run _____ than before.
The students from Xinjiang enjoy staying in our school because everyone is _____ to them.
The old man used to raise many _____ to make a living on the farm.
I have two children, and _____ of them are working in the west of China.