.China is playing an important role in the world. That’s_______Laura has come to study Chinese.
The time is not far away ___ the information will be made known ___ more workers will be trained for their jobs.
The Science Museum, _____ we visited during a recent trip to Britain, is one of London’s tourist attractions.
_____ was most important to her, she told me, was her family.
—How about buying Sam a mobile phone? After all, he isn’t a boy any more. —I think it’s necessary, for we sometimes want to make sure if he ______home for dinner.
Mother told Jim to watch the milk until it boiled and then _____ off the gas.