Question

________ in the mountains for a week, the two students were finally saved by the local police

A. Having lost       B. Lost             C. Being lost         D. Losing

Answer 1

B

解析:

检查考生对非谓语动词的掌握和运用能力。首先，表示“失踪”用be lost；其次，语境中for a week，表示完成概念，所以用过去分词。