The clever use of colors ___________ the success of the oil painting.
A.in an effort to
B.look down on
C.walk around
D.is of great importance
E.on his way
正确答案是D
The clever use of colors ___________ the success of the oil painting.
A.in an effort to
B.look down on
C.walk around
D.is of great importance
E.on his way
正确答案是D