Smoking is bad for health, so the doctor advised my father _____. A. not smoke B. not to smoke C. not smoking
We didn’t start our discussion _____ everybody arrived.
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.