问题

There are many things in different areas ________ wecan do to reduce the possible dangers of AIDS
A:reading
B:to read
C:being read
D:to be read
B:to read
C:being read
D:to be read
正确答案是:
同类题型
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_________ useful advice she gave you ! You shouldlisten to her.
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I ________ be a little bit slow, but at least I don’t make foolish mistakes.