问题
选择题
21.Here’s one of the best ways to protect your skin—_____ too much sunshine.
A．not to absorb
B．not having absorbed
C．having not absorbed
D．don’t absorb
答案
答案：D
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21.Here’s one of the best ways to protect your skin—_____ too much sunshine.
A．not to absorb
B．not having absorbed
C．having not absorbed
D．don’t absorb
答案：D