Our research has focused on a drug which is so _____ as to be able to change brain chemistry.
—A traffic jam?—Yes. , the right side of the road is closed for the time being.
I’m sorry, but I didn’t mean to keep you _____ here for a long time. Can you forgive me?
John is the boy _____ legs were badly hurt in the accident.
Doctors believe only _____ small number of people _____ in the danger of getting the disease.
_____phoning this number, you can reach me any time you like.