Mary is looking forward to from me please remember this letter on your way to school .

问题补充：

Mary is looking forward to from me , please remember

this letter on your way to school .

A. hear ; send

Bhearing ; sending

C. hearing ; to send

D. hear ; sending

答案：

A. hear ; send

B. hearing ; sending

(答案→)C. hearing ; to send

D. hear ; sending

解析：句意：玛丽正盼望着收到我的来信，在你回家的路上，请记得把这封信送了。短语look forward to盼望，to是介词，后面接名词或者动名词做宾语。Remember后接动名词表示记得做过某事，接不定式表示记得去做某事，结合语境可知选C。