Question

【题目】Jenny’s teeth are not good, because she ____.

A. has a sweet toothB. has sweet tooth

C. have a sweet toothD. have sweet teeth

Answer 1

【答案】A

【解析】

句意：珍妮的牙不好，因为她喜欢吃甜食。
本题主要考查固定短语，have a sweet tooth蛀牙/虫牙，tooth不能用复数，排除D；主语是第三人称单数，所以谓语动词用单数形式has，故选A.