下列哪一项不属于内生致热原（）
A.白细胞介素-1
B.5-羟色胺
C.干扰素
D.肿瘤坏死因子
E.白细胞介素-6
参考答案：B
— Goodbye! I’m glad ____ you.
— ____, too.
A．to see; I
B．to have seen; Me
C．to see; Me
D．seeing; I
The home improvements have taken what little there is ______ my spare time.[ ]
A. from
B. in
C. of
D. at
