问题
选择题
She read the instructions to find out how ____ the computer.[ ]
A. use
B. to use
C. using
D. uses
答案
答案：B
搜题请搜索小程序“爱下问搜题”
She read the instructions to find out how ____ the computer.[ ]
A. use
B. to use
C. using
D. uses
答案：B
缺失，
面Ⅱ度龋坏，近中舌向倾斜、不松动，余留牙牙石Ⅱ度，左侧下颌隆凸明显、倒凹大，上颌牙完全正常。