Question

【题目】It is important _________.

A.to keep health B. to keep healthy

C. keep health D. keep healthy

Answer 1

【答案】B

【解析】

试题分析：句意：保持健康是重要的。句子中it 是形式主语，不定式to keep healthy做真正主语。keep healthy保持健康。据题意，故选B。