We are short of clean safe drinking water, which is found to be the ______ in many third world countries.
#5681
A
example
B
event
C
case
D
object
推荐题目
I must have been a great _____ to my parents in those hard days, for I never failed to live up to their expectations.
#6210
A
achievement
B
comfort
C
disappointment
D
support
He, a Nobelist, made great ______________ to researching in this area.
#5814
A
encouragements
B
constitutions
C
breakthrough
D
contributions
Many new _____ will be opened up in the future for those with a university education.
#7391
A
opportunities
B
realities
C
necessities
D
probabilities
She wasn’t a much older tennis player but he had the great ______ of experience about games.
#6559
A
interest
B
advantage
C
benefit
D
profit