This picture is beautiful than that one. [ ]
A. much
B. more much
C. much more
D. very
答案:C
Where is Jack, please? He _____ be in the classroom [ ]
A. can
B. need
C. would
D. must
上颌窦癌的临床表现最常见为()
A.疼痛和上颌肿物
B.鼻塞、溢泪
C.面部肿胀和复视
D.上牙松动和耳鸣
E.鼻腔异常渗出液和回吸涕带血