Let's learn to use the problem we are facinga stepping-stone to future success.
He sent me an e-mail, ________ to get further information.
At home, he keeps some pets,to which he ______ all his spare time.
—Do you know the tall man ______ to Mr King over there?—Sorry, I don’t know him.
On the bus, all the people except the driver ______ to talk and laugh during the journey.
It is believed that if an event is _______, it will surely ______ the readers of the paper.