A leading American AIDS researcher cautioned that public awareness，accurate statistics and participation of the non-governmental sector are critical for HIV/AIDS prevention and control in China.（）

He （） himself a great deal of trouble if he had taken the advice of his lawyer last year.

A.would have saved
B.would save
C.had saved
D.would be saved

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Wed better wait till December Bill （） his exam by then，so hell be able to enjoy himself.

A.will have had
B.has had
C.is going to have
D.will have

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