坚持这项工作由一个有经验的工人做She insisted that this work should be done b
坚持这项工作由一个有经验的工人做She insisted that this work should be done by an exp 她坚持这项工作由一个有经验的工人来做 She insisted that the work should be done by an experienced worker. 1:为什么should可以去掉? 2:be done换成to do可以吗?为什么?