When she's at home, she prefers the music that isn't too loud.
The harder you work, the luckier you will become.
The machine is hard to (控制). There must be something wrong with it.
Professor Xu gave us a talk on how to (保护) the environment last week.
The school will hold many activities to (庆祝) our country's 70th birthday.
Shall we go outside and breathe some (新鲜的) air?
Good ideas.
Liu Cixin is the (作家) who wrote the science fiction novel The three Body Problem.
﹣Dick, is this your T﹣shirt?
﹣Yes, it's (我的). I looked for it everywhere.