Question:
I can’t find my umbrella. I _________ it in the restaurant last night.
-
A.
must have left -
B.
had left -
C.
left -
D.
might left
Reference explanation:
Correct answer: A
Answer A
Structure: must have + V(PP): surely
=> Only logical speculation based on real phenomena in the past.
I can’t find my umbrella. I left it in the restaurant last night.
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