---I love the Internet. I’ve come to know many friends on the Net.---_______ .Few of them would become your real friends.
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.