鼻咽癌患者出现张口困难，最大可能是()
A．翼腭窝或颞下窝受侵
B．鼻腔受侵
C．口咽受侵
D．颅底受侵
E．咽旁间隙受侵
参考答案：A
Danny ______ in the classroom. [ ]
A. maybe
B. may be
C. may is
D. perhaps
抽穗结实期
