We have made good preparations for Sarah’s birthday, but if she ________ late to the party, it would ruin the surprise for her.
President Xi has advised young people to avoid staying up late, ______ heated response from Internet users on microblog.
Although nuclear power may lead to disasters, ______ the nuclear power industry has been operating safely for three decades in China.
The way he acted towards people was to keep on good terms with them ______ principle, which was usually thought little of.
Loud music like hip hop can make a driver drive far more ______, braking harder and accelerating faster.
From the course of human development, the ultimate aim of the human race is to pursue the spiritual joy based on ______ materials.