1. It is easy and convenient for people to talk and exchange information thanks to technological advances nowadays.
2. It is such a pity in this busy world that parents and children don't have much quality time for each other.
3. It was very helpfulr that my neighbour looked after my pet cat when I was away for some days.
4. It was so careless that she didn't lock the door when she left the room.
5. It is so excelent that my youngest brother has won two scholarships from two famous universities in America.
