问题补充:
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
答案:
A. looked at
(答案→)B. to look at
C. to looking at
D. look at
解析:句意:当那位著名的女演员走进了教室,所有的孩子都转过头去看她。turn to表示“转向,求助”的意思。