work has been done to improve the people's living standard. [ ]A. Many B. A grea
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![work has been done to improve the people's living standard. [ ]A. Many B. A grea](/pic/43_1448775.jpg)
________ work has been done to improve the people's living standard.[ ]A. Many
B. A great many
C. A great deal of
D. A large number of
试题答案
C