This dictionary is _____ to my reading,
问题:
This dictionary is _____ to my reading, but that one is __________.
A.great help; helpless
B.a great help; of no use
C.important; of few importance
D.very helpful; of no any use
This dictionary is _____ to my reading, but that one is __________.
A.great help; helpless
B.a great help; of no use
C.important; of few importance
D.very helpful; of no any use