Why not （）to Professor Chen for advice？He is an expert in this field.

Mary（）her classmates has learned how to deal with the complicated problem.

A.and
B.and also
C.as well as
D.except

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Not only （）the gift，he （）the sender.

A.did he refuse；criticized
B.did he refuse；also criticized
C.he refused；also criticized
D.he refused；criticized

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