The doctor did what he could _______ the boy, but in vain.
A. save B. to save
C. saving D. saved
______ in a heavy traffic jam is quite an unpleasant experience.
A. Stuck B. Having stuck
C. Being stuck D. To stick
They do not provide a _______ energy supply.
A. stubborn B. stainable
C. sustainable D. containable
He expressed his ______ for music in his new book.
A. patent B. passion
C. pension D. patience
There was a _______ stream of visitors to the house.
A. constant B. content
C. concrete D. conservative
Average temperatures in July _____ from 15 to 25 degrees.
A. rank B. range
C. reach D. reduce
