Much to my surprise, I found the education system of the USA was totally different from ______ of my home country.
Hearing this, tears came to my eyes as I realized ________ a fool I had been to judge him to be honest.
— Did you tell Mother you have passed the exam? — Oh, I forgot. I _______ her now.
If he ________ my advice, he wouldn’t have lost his job.
We _________ the difficulty together, but why didn’t you tell me?
Many people can’t learn any lessons from the mistakes they’ve made ________ they get hurt somehow.