—Why did you leave the lights burning? —Heavens! I guess Ito turn them off.A. would forge

问题补充：

—Why did you leave the lights burning?

—Heavens! I guess Ito turn them off.

A. would forget

B. had forgot

C. forgot

D. have forgot

答案：

A. would forget

B. had forgot

(答案→)C. forgot

D. have forgot

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