Question

 (2010年福建龙岩检测)________in the leg made it impossible for me to walk as fast as usual.

A．Being injured            B．To be injured

C．Having injured                      D．Injured

Answer 1

解析：选A。考查非谓语动词。此处缺少主语，而现在分词和过去分词不能作主语，排除C项和D项；B项不定式表示未发生的动作，与语境不符。据此选A项，用动名词短语作主语。