问题
选择题
The boys often play ____________ football and the girls often play ____________ violin. [ ]
A. the, /
B. the, the
C. /, the
D. /, /
答案
答案：C
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The boys often play ____________ football and the girls often play ____________ violin. [ ]
A. the, /
B. the, the
C. /, the
D. /, /
答案：C
，家族无类似畸形。有咬上唇习惯。上前牙略舌倾，下前牙直立，可退至切