问题
选择题
Come and have a look. We have sweaters _______red, yellow and blue _____ 10 yuan.[ ]
A. at, at
B. on ,for
C. in , for
D. on , at
答案
答案：C
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Come and have a look. We have sweaters _______red, yellow and blue _____ 10 yuan.[ ]
A. at, at
B. on ,for
C. in , for
D. on , at
答案：C
深龋洞，腐质未去净露髓，疼痛。应考虑的处理方法（）