Everyone wants to live in a beautiful, comfortable and “livable” place, but not ______ know where it is.
Blind people can __________ by touching letters in __________ dots called Braille.
-That's the third time he's won the award in this field. -Yes. He __________ his maximum potential in the past decade.
Everything __________ doing is worthy of __________ well.
It is __________ that she helped other left-behind classmates with their lessons after school.
The __________ teacher thinks it is __________ to devote so much time to his students.