At present, 1 in every 10 people is aged 60 years or older, ______ in 2050, 1 in every 5 people will be aged 60 years or older.
(2012安徽卷)The athlete's years of hard training when she finally won the Olympic gold medal.
(2012江苏卷)— OK, I've had enough of it. I give up. —You can't your responsibilities.
I’m so glad you’ve come here to ________ this matter in person.
Walking alone in the dark, the boy whistled to ________ his courage.
Finally, my thanks go to my tutor, who has offered a lot of suggestions and comments on my paper and ________ every page of my draft.