根据语篇内容，用恰当的短语填空，使之意思完整。

     Thanks for your invitation. I'm sorry I can't visit you this week. I am    1   This evening I'm going to my cousin's house.

It's my cousin's birthday. Today I have a toothache, so I have to see the dentist tomorrow. On Friday,there will be a math

test, and I    2   On Friday evening, a new film will be on, and I'm    3   with my friends.

1. _____ 2. _____ 3._____

患者男性46岁，口底多间隙感染，肿胀明显，可及捻发音及波动感，主诉呼吸困难，下列处理正确的是

A．加大抗生素剂量

B．局部冷敷

C．穿刺抽脓

D．广泛切开引流

E．气管切开