重点句型运用 — 英语选择题

Tom 正在介绍他的新老师：Miss Young is his music teacher. She is not old. She is very kind, but sometimes she is strict. 根据短文内容，将下面的句子补全，使句意正确： —______ his music teacher like? —She's young and kind, but sometimes she's ______. A. What's; strict B. What's; funny C. How's; strict D. How's; polite