眼睑最常见的恶性肿瘤为（）
A.基底细胞癌
B.毛细血管瘤
C. * * 状瘤
D.角化棘皮病
E.睑板腺腺癌
参考答案：A
By the time Jack returned home from England, his son________from college.[ ]
A. graduated
B. has graduated
C. had been graduating
D. had graduated
根据不同的分类方式，批注有哪几种？各自含义是什么？
