Either Sam or Tom an exam at the moment. A. are having B. is having C. were having

发布时间：2020-08-21 08:12:49

Either Sam or Tom      an exam at the moment.
A. are having        B. is having         C. were having

网友回答

解析：在either…or句型中，谓语用就近原则，再根据at the moment 表示此刻是现在进行时时态的标志，故选B
以上问题属网友观点，不代表本站立场，仅供参考！