问题
选择题
— David will win the first prize?-Are you sure?
— ________.He's always working hard. [ ]
A. It's my guess
B. It's up to you
C. That depends
D. It's hard to say
答案
答案：A
搜题请搜索小程序“爱下问搜题”
— David will win the first prize?-Are you sure?
— ________.He's always working hard. [ ]
A. It's my guess
B. It's up to you
C. That depends
D. It's hard to say
答案：A
，要求修复。
健康且位置正常，
健康，咬
、牙周情况良好，最佳修复方案是（）
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