_______ English has changed a lot over time and _______ English spoken between about AD 450 and 1150 was quite different.
--- We don’t think we’ll be able to go mountain-climbing tomorrow. ---______ the weather turns out fine?
It is high time, I think, that you got down to ______ something in class.
At the meeting place of the Yangtze River and the Jialing River________,one of the ten largest cities in China
---_______ the plane have taken off on time? --- I’m afraid not. The fog was too thick then.
—The government should think about the medical reform again and take measures to improve it. —___________. The medical services and efficiency are not good at the moment.