Born in Barcelona on July 17, 1920, Juan Antonio Samaranch enjoyed success as ______roller skater and led _______ Spanish team to the world title.
The frozen waterfall has attracted floods of tourists to ____ the natural beauty.
Although he has become wealthy, Mr. Wood remains _______ he used to be, modest and friendly.
Modern plastics can _________ very high and very low temperatures.
---What does PM2.5 mean? --- It’s a professional ______ indicating the condition of air pollution.
--- How are things going, Janet? --- They have set out to deal with the present situation ______ they think deserves their immediate attention.