企源知识库

Our teacher recommended that we ____ as attentive as possible when we visit the museum.
A、are
B、shall be
C、be
D、were
【正确答案】：C
【题目解析】：【考点点击本题考查虚拟语气。要点透析】 recommend, command, suggest等词后接的宾语从句应用虚拟语气,谓语动词应用(should)+动词原形。