– What a hard chair!   --Yes, it is. But in fact, it is very comfortable to ____

题型：不详难度：来源：

– What a hard chair!   --Yes, it is. But in fact, it is very comfortable to _____.

A．sit

B．sit on

C．be sat

D．be sat on

答案

B

解析

sit是不及物动词，“坐在椅子上”用sit on，先排除A、C；根据句意“多么解释的椅子啊！”“是的，但事实上，坐起来也很舒服。”sit的逻辑主语是人，是主谓关系，故用sit on。故选B。