试题详情
—Is that boy Tom?
—It ___________ be Tom. He has gone to his hometown to visit his grandparents.
- A、can
- B、can't
- C、must
- D、mustn't
知识点
参考答案
采纳过本试题的试卷
—It ___________ be Tom. He has gone to his hometown to visit his grandparents.