I used to get up at about twenty past seven.
我通常大概7点20起床。
We get to school at half past seven day.
我们每天七点半到校。
Promptly at a quarter past seven, we left the hotel.
我们于7点一刻准时离开了宾馆。
The junk market has been unsettled for the past seven months.
过去7个月中废旧货市场一直起伏不定。
He signed on at half past seven.
他于七点半签到上班。