_The work is easy for an expert _______it is difficult for an inexperienced person.
#80051
A
because
B
therefore
C
while
D
unless
推荐题目
(2014·河南豫北三校高三下学期联考)Honesty is a virtue________greed is an evil，as the saying goes.
#30035
A
while
B
when
C
as
D
and
What some Chinese parents understand is that nothing is fun _______ their children are fond of it.
#32331
A
after
B
when
C
if
D
unless
Convenient ___private cars are for us, they may also cause traffic accidents and pollution.
#33185
A
while
B
as
C
if
D
since