根据句子及首字母提示补全单词。

1. The twins are b_____ lovely girls.

2. I like drawing and I am good a_____ it.

3. John is my b_____ friend of all the classmates.

4. Her best friend is f_____ than she is.

5. That is very i_____ for me to learn English well.

发生于皮肤和黏膜，小血管呈分叶状聚集，表面溃疡形成，常伴感染的是（）

A.上皮样血管内皮瘤

B.高分化血管肉瘤

C.血管外皮瘤

D.卡波西肉瘤

E.肉芽组织型血管瘤