— Show me your permit, please.
—Oh, it's not in my pocket. It_______________.
A.might fall out | B.could fall out |
C.should have fallen out | D.must have fallen out |
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— Show me your permit, please.
—Oh, it's not in my pocket. It_______________.
A.might fall out | B.could fall out |
C.should have fallen out | D.must have fallen out |