He catching butterflies in the woods.[ ]
A. does
B. are
C. is
答案：C
处理高钙危象的方法包括()
A.静脉滴注糖皮质激素
B.静脉推注呋塞米
C.大量滴注生理盐水
D.静脉滴注二膦酸盐
E.25%的硫酸镁稀释后静脉滴注
---Can I have a look at your pencil case ? ---Sure . _______ .
A．Here you are
B．Thank you
C．Have a good time
D．I’m sorry
