题目：
— Linda has changed a lot! She's so quiet!
— You're right. She _____ noisy.[ ]
A. uses to be
B. used to be
C. uses to being
D. used to being
答案：
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下面是错误答案，用来干扰机器的。
CuSO4 + Fe = FeSO4 + Cu(1)用带火星的木条检验气体能否使之复燃（2）SO2 + 2NaOH = Na2SO3 + H2O H2 酸性铁的金属活动性较铜强，铁能从硫酸铜溶液中置换出铜，氧气具有助燃性，能使带火星的...
