There is no doubt that IT plays___important role as a new teaching tool in this era of___technology.
She is _____ newcomer to _____chemistry but she has already made some important discoveries.
—I have to go home now. Daddy and Mummy must be waiting for me.—OK. .
A large number of people are _____, and how can the local government ignore the problem?
A lot of praises have come from those _____ patients because they are getting better after taking the medicine.
The kind lady devoted all her life to _____ those homeless children.