Shanghai is the first city in the world ____a high-speed maglev train, from the city to Pudong Airport.
So quickly is science and technology advancing ______ is a possibility today may be a reality tomorrow.
With the widespread of fog and haze(雾霾) in central and eastern China, our government is supposed to ______ their efforts to prevent further pollution.
The Yeti is said to be a large, hairy animal walking _____two feet like a human being and moving _____ amazing speed and strength.
— Could you meet me at the airport?— I'd like to,but I'm afraid I ______ a very important meeting when you return.
The science of computer, ______ rapid progress has been made in recent years,plays a very important role in our daily life.