肺脓肿早期最易与哪些疾病混淆（）
A.细菌性肺炎
B.肺癌
C.空洞型肺结核
D.支原体肺炎
E.化脓性链球菌
参考答案：A
— You just think of yourself!You kept me waiting for about three hours.
— I am sorry that you _____ think so. [ ]
A. would
B. could
C. should
D. might
死锁预防
