问题补充:
------What’s the matter with you?
------I have a .I have to see the dentist.
A. cold
B. sore throat
C. toothache
D. headache
答案:
A. cold
B. sore throat
(答案→)C. toothache
D. headache
解析:句意:--你怎么了?--我牙痛。我必须去看牙医。分析:cold感冒;sore throat咽喉痛;toothache牙痛; headache头痛。理解本题的下文:去看牙医,因此推断是牙痛。故选C