Question

【题目】Two armed men were caught ________ to cross the frontier at night.

A. try B. trying

C. to try D. tried

Answer 1

【答案】B

【解析】

考查现在分词作主语补足语。句意：两名武装男子在夜间试图越过边境时被抓住。此处是现在分词作主语补足语，故选B。