The number of smokers in China ________increased in recent years, and a number of them _________ the youth.
The supermarket sells many foods that have been_____ , so it is convenient to feed your stomach.
Mr Green often says “what is learnt in the ______ lasts to the grave”, intending to impress on us the significance of reading more books while we’re young.
The _____ in temperature is broadcast twice a day in the channel.
Such a good opportunity, once ______, might never come again.
_________ you may have, you should gather your courage to face the challenge.