问题
选择题
We need_____to work and study every day. [ ]
A. a lot of energies
B. a lot of energy
C. many energies
D. lot of energy
答案
答案：B
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We need_____to work and study every day. [ ]
A. a lot of energies
B. a lot of energy
C. many energies
D. lot of energy
答案：B