Great inventors don’t ______ graduate from famous universities. Some didn’t even go to university.
A recent research shows that there _____ volcanic activities on the moon and Mars. However, they no longer exist now.
If she had known what lay ____ for her, she would never have agreed to go.
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.