Question : Choose most appropriate word from the options and fill in the blank
I'm sorry I'm late. I ____________ my keys and couldn't find them.
Option 1: lost
Option 2: have lost
Option 3: had lost
Option 4: am losing
Correct Answer: had lost
Solution : The correct answer is option 3;had lost
Explanation:
This is a past perfect sentence, which means the action of losing the keys happened before the action of being late.
Correct sentence : I'm sorry I'm late. I had lost my keys and couldn't find them.