1.Betty likes to relax herself by listening to music when she feels (stress).
2.I'm sorry for being angry. I've been a lot of stress at work lately.
3.Our class teacher always (stress) the value of daily hard work. He often tells us that small efforts will finally make a big difference.
4.When you are ① (stress), try some fun activities like drawing or dancing. Talking with your best friend is also a good choice when you face something ② (stress).
变形: stress n.→stressful adj.压力重的;紧张的(描述性质)
→stressed adj.焦虑的;紧张的(描述感受)

1. stressed
2. under
3. stresses
4. ①stressed ②stressful

5.Many students waste plenty of energy phone games instead of taking exercise.
6.(2025 扬州改编) When you feel cold air coming through your window, energy (waste).
7. The lecture was a waste time. It offered hardly any useful information for our study.
8. You're wasting your time (try) to explain it to him. Even if you talk for hours, he will stick to his own idea.
9. [微写作]我哥哥从来不在工作日浪费时间玩电脑游戏。他觉得那是浪费时间。


waste
vt.浪费，滥用
waste time/money/...
on sth 在某事/物上浪费时间/金钱/……
waste time/money/... (in) doing sth 做某事浪费时间/金钱/……
n.浪费 a aste of 浪费
n. 垃圾；废料；废物 kitchen waste 厨余垃圾
throw waste into... 把废品扔进……
adj.废弃的；无用的；荒芜的 waste paper 废纸
waste ground 荒地

5. on
6. is wasted/is being wasted
7. of
8. trying
9. My brother never wastes time in playing computer games on weekdays. He thinks it's a waste of time.(答案不唯一)