4. It is really foolish of you to into believing that she is going to marry you. A. have t

问题补充：

4. It is really foolish of you to into believing that she is going to marry you.

A. have tricked

B. have cheated

C. have been tricked

D. be cheated

答案：

A. have tricked

B. have cheated

(答案→)C. have been tricked

D. be cheated

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