He ______ his last chance of winning the election when he said the wrong thing on TV.
The silence of the library ______only by the sound of pages being turned over.
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.