It’s natural that a man can hardly ______ a smile when he hears some good news.
After finishing middle school, my sister did nothing ________ at home.
They held a ceremony ________ those killed in the battle.
The play begins at 6: 40 pm. So we have to be at the theatre ________ 6:30 pm at the latest.
I asked him whether he had done all the work himself ________ whether he had had any assistance.
I was on the point of going to bed ________ Mr. Zhang rang.