The chairman thought necessary to invite Professor Smith to speak at the meeting. A. that B. it C. this D. him [解析]选B it作形式宾语.代替不定式. 依赖.依靠.由于.因为 等意思.它引导的短语.可 以表达正面意思.也可用于讽刺 口吻中(近于讽刺口吻的“感谢 .)它引导的短语在 句中用作状语时.大多放在句首.但也可以置于句 末. Thanks to your help, passed the test. 幸亏有你的帮助.我测验及格了. 【查看更多】
