Some very common things such as    to the sun for a long time will do harm to people's skin and even cause skin cancer
#90764
A
exposing
B
being exposed
C
having exposed
D
exposed
推荐题目
______that blood diseases are going to continue, we’ll have to______ them. 
#93223
A
Assumed; doing research at
B
Assuming; do research on
C
Assuming; do research for
D
Being assumed; do research on