用括号中的时间状语完成句子,必须加上ago,at,in或on.

My parents _were born on 1978________________________.(1978)
We went to beijing__in last winter_____________________.(last winter)
They stayed with us__in Aprils_______________(Aprils)
We went to the park__at Sunday afternoon_____________.(Saturday afternoon)
we had lunch_______on 12:30______________.[12.30]
they left guangzhou__three days ago____________________.[three days]
jin phoned me _____on yesterday_______________.[yesterday]
mr yao went to sleep___in midnight_______________.(midnight)