问题
选择题
Our classroom is _____ Class 2. [ ]
A. on the right
B. on the right of
C. in the right
D. in the right of
答案
答案：B
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Our classroom is _____ Class 2. [ ]
A. on the right
B. on the right of
C. in the right
D. in the right of
答案：B
2Z(g )+ W(s) ；△H >0达到平衡，下列判断正确的是（ ）