问题
选择题
Tom likes salad, but his sister doesn’t like ______. [ ]
A. him
B. them
C. it
答案
答案：C
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Tom likes salad, but his sister doesn’t like ______. [ ]
A. him
B. them
C. it
答案：C
，覆盖4mm，磨牙远中尖对尖关系，上颌拥挤4mm，下颌无拥挤，第二磨牙已完全萌出。