Some people haven’t realized something as common as _______to the sun for a long time will do harm to their skin and even cause skin cancer.
#95832
A
exposing
B
being exposed
C
having exposed
D
exposed
推荐题目
When asked by the police, he said that he remembered ______ at the party, but not ______.
#90671
A
to arrive; leaving
B
arriving; leaving
C
arriving; to leave
D
to arrive; to leave
Last night he left his bike outside and had it_______. 
#97849
A
stealing
B
steal
C
stolen
D
to be stolen
.Was it ______ Expo 2010 that made Shanghai the focus of the world then?
#96994
A
hosted
B
to be hosted
C
hosting
D
having hosted
Our teacher insisted that the key words worth paying attention _______ before class.
#95656
A
be underlined 
B
being underlined
C
to be underlined 
D
to being underlined