The children all turned the famous actress as she entered the classroom.
A. looked at
B. to look at
C. to looking at
D. look at
网友回答
A. looked at
(答案→)B. to look at
C. to looking at
D. look at
解析：考查非谓语动词。后句意思是“这位著名女演员一走进教室”，可以猜测前句意思是“孩子们都转身去看她”。turn意思是转身，后面跟不定式作状语，表示目的。