—John, how did your English exam go? —I thought I _____, but in fact I came in the top 10% in the class.
It _________ be the postman at the door. It’s only six o’clock.
I got close enough to hear them speaking Chinese, and I said “Ni Hao”, just as I ________ do in China.
—Why are your eyes so red? You ________ have slept well last night? —Yeah, I stayed up late writing a report.
When I was a child, I ________ watch TV whenever I wanted to.
Meeting my uncle after all these years was an unforgettable moment,_________ I will always treasure.