Not only the kids but also the teacher . We are worried because time is running out.A. has

问题补充：

Not only the kids but also the teacher . We are worried because time is running out.

A. has lost

B. has gone missing

C. have lost their way

D. have disappeared

答案：

A. has lost

(答案→)B. has gone missing

C. have lost their way

D. have disappeared

解析：句意：不但孩子们而且老师也走丢了。我们很担心因为时间快用光了。not only...but also...引导的两个名词作主语后面的谓语动词的单复数采取就近一致的原则，故排除C和D，lost缺少宾语；故选B。