--It’s reported that young people are responsible for 60% of the traffic accidents.---Exactly. Young drivers are far more _______ to drive faster than old ones.

To improve your spoken English, you’d better listen to the tape ______. 

His speech was extremely boring that it was ______interrupted by applause and cheers.

His report was so exciting that it was      interrupted by applause（掌声）.

Stress can be extremely damaging to your health. Exercise, _, can reduce its effects.