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题目内容
（河南财经政法大学-金融学-大学英语4）
This is not an economical way to get more water; ______, it is very expensive.
A.or else
B.in short
C.on the contrary
D.on the other hand
A.or else
B.in short
C.on the contrary
D.on the other hand
参考答案
