【题目】Mr. Smith—our English teacher, is said ________ to England for holiday last week.
A. to return B. returning
C. to have returned D. having returned
在线课程【答案】C
【解析】考查非谓语动词。It is said that ---，据说---。它可以转化成“主语+ is said to do sth.”结构。因此空白处应该使用动词不定式形式，另外return动作发生在say之前，所以这里用不定式的完成形式，故C项正确。