【C20】A．consciousB．carefulC．worriedD．wary

A．confidentB．disappointedC．worriedD．proud

Packaging is designed so as to encourage impetuous shopping.A．extravagantB．carefulC．impote

【C18】A．rightfulB．carefulC．usefulD．helpful

A ______ editor, she checked every definition for its accuracy.A．consciousB．conscientiousC

【C12】A．unconsciousB．neglectC．worriedD．curious

A．complexB．carefulC．diligentD．elastic