_______to sunlight for too much time will do harm to one’s skin. 
#94144
A
Exposing
B
Being exposed
C
Having exposed
D
Exposed
推荐题目
I got to the office earlier that day,   the 7:30 train from Paddington
#90663
A
caught
B
to have caught
C
to catch
D
having caught
I can’t stand _____ with Jane in the same office. She just refuses ____ talking while she works.
#92080
A
working; stopping
B
working; to stop
C
to work; stopping
D
to work; to stop
—Why was that performance put on? —_____ him for his contributions _____ our country.  
#97061
A
Honor; for    
B
Honoring; for  
C
To honor; to   
D
By honoring; to