----Ten dollars please!----How terrible! I to bring my wallet with me.A. was forgettingB

问题补充：

----Ten dollars, please!

----How terrible! I to bring my wallet with me.

A. was forgetting

B. forget

C. had forgotten

D. forgot

答案：

A. was forgetting

B. forget

C. had forgotten

(答案→)D. forgot

解析：考查时态。根据句意可知我忘记带钱包是过去忘记，现在已经记得。句意：——10美元。——太糟了。我忘记带钱包了。