I can’t find my key. It in my office. A. must be forgotten B. must be left C. must have b——青夏教育精英家教网—

摘要： I can’t find my key. It in my office. A. must be forgotten B. must be left C. must have been forgotten D. must have been left

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I can’t find my key. It ___________ in my office.

A. can be forgotten B. can be left

C. must have been forgotten D. must have been left

I can't find my key．It ________ in my office．

can be forgotten

can be left

must have been forgotten

must have been left

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