Question

【题目】—What was the matter with your father?

—He had _____toothache so he went to see his dentist yesterday.

A. the B. / C. a D. an

Answer 1

【答案】C

【解析】句意：——你父亲怎么啦？——他牙疼，所以他昨天去看牙医了。have a toothache牙疼，故选C。