I ______ my keys, so I can't open the door. ...

[ Tenses ]

I ______ my keys, so I can’t open the door.

A. lost

B. have lost

C. was losing

D. had lost

Select your answer:
A B C D E

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Question Tag Modal Verbs and Permission There is or There are TOEFL Grammar Future Tense Future Simple Tenses Asking & Giving Opinion Present Perfect Simple and Continuous Prepositions & Prepositional Phrases Superlative Adjectives

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