1.Virginia is a law student.Since she entered college,she didn't miss one course.
2.Katie raised her children alone.Now they're adults and all of them have good jobs.
3.A:Is the rescue team still looking for survivors?
B:Yes,they are.They have been working for three days.
4.A:The Brown Family is building a house.
B:For how long have they been working on it?
A:They've been working on it for 5 months.So far they've built two rooms.
5.I'm very happy.I finally have what I longed for.
6.I'm surprised that George apologized.He never apologized until now.
7.My brother's daughter grew roughly 20 cm since the last time I saw her.