Don’t forget your homework JohnOK I’ll do it right now.A. doingB. doC. to doD

问题补充：

--- Don’t forget your homework, John. --- OK, I’ll do it right now.

A. doing

B. do

C. to do

D. to doing

答案：

A. doing

B. do

(答案→)C. to do

D. to doing

解析：句意：--不要忘记做作业，约翰。--好的，我马上做。不要忘记去做某事 don’t forget to do不要忘记去做某事。故选C.