There are many things in different areas we can do to reduce the possible danger
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There are many things in different areas ________ we can do to reduce the possible dangers of AIDS．
A.where
B.there
C.what
D.that
试题答案
D
考查定语从句。这是分割定语从句，先行词是things, that引导的定语从句修饰这一先行词，中间被in different areas分开，that在从句中作do的宾语。