______to the sun for too long, I think, can hurt your skin.
#89714
A
Being exposed
B
To expose
C
Exposing
D
Exposed
推荐题目
 Certainly I posted your letter — I remember ______ it. 
#98425
A
posting
B
to post
C
to be posting
D
have posted
I’m sure your suggestions will _____ the problem.
#95896
A
contribute to solving
B
contribute to solve
C
be contributed to solve
D
be contributed to solving
 Many people are taking part in various outdoor activities ______themselves.
#90679
A
refreshed
B
to refresh
C
being refreshed
D
having been refreshed
The newcomer is used to ___ here.
#97810
A
working
B
work
C
live
D
life