Don’t forget the pen him.A. to return toB. to return forC. returning toD. returning

问题补充：

Don’t forget the pen him.

A. to return, to

B. to return, for

C. returning, to

D. returning, for

答案：

(答案→)A. to return, to

B. to return, for

C. returning, to

D. returning, for

解析：forget to do sth表示忘记要去做某事，（事情未做）return sth to sp/sb，意思将….还给…故选A