Karenfeltsadwhenshe         hertimeatschool,asshem...

问题详情：

      Karen felt sad when she          her time at school, as she missed so many of her friends and classmates.

A. looked around at                                  B. looked up at

C. looked forward to                                 D. looked back on  

【回答】

D

知识点：动词

题型：选择题