问题
选择题
---- Excuse me sir, where is Room 301?
---- Just a minute. I’ll have Bob ______ you to your room.
A．show
B．shows
C．to show
D．showing
答案
答案：A
搜题请搜索小程序“爱下问搜题”
---- Excuse me sir, where is Room 301?
---- Just a minute. I’ll have Bob ______ you to your room.
A．show
B．shows
C．to show
D．showing
答案：A
颊侧牙龈溃疡半年，经两周抗炎治疗不愈。为明确诊断，应选用的检查为（）