Being a parent is not always easy, and being a parent of a child with special needs often carries with _______ extra stress.
---Did you enjoy last night’s party? ---No. .
To be honest, I would rathermy dog out, which made so many troubles.
Jack is late again. It isof him to keep others waiting.
Jack, who pretended, heard, however, every word that was said.
The old man __________ in Tibet for two years as a volunteer teacher;it is an experience he often mentions.