Clouds, foggy, and dust in the atmosphere absorb ultra-violet rays.
=> fog
She asked me______I was looking at.
_______ has been a topic of continual geological research.
As a millionaire who liked to show off her wealth, Mrs. Smith paid______________________________________________ we asked.
Standing on the tip of the cape,____________________ .
There has been a great increase in retail sales,_____________________ ?
The examination was not very difficult, but it was_____________________ long.
Michael looked deeply hurt and surprised when_____________________ .
The word "allocated" in the passage mostly means "______".
Supporters of free-market globalization point out that_____________________ .
We all agree that she is____________________ student in our class.