▲ （在楼上），there were three little bedrooms.
Thank you for talking to us about your   ▲ .（研究）.
Mike, don't forget to   ▲ （保存）the file before you close it.
I wanted to get three dogs and   ▲ （训练）them.
He was good at   ▲ （修理）the washing machine.
Afriend in need is a friend   ▲ （真正地）.
He has learnt a lot of   ▲ （知识）from the news programmes.
Oxfam Trailwalker is a   ▲ （费力的）hike.
You have worked too hard. You'd better have a   ▲ .（休息）.
Have you two been   ▲ （介绍）?Tom, this is Greg.