We can’t put off a plan .A. makeB. to makeC. makingD. to making

问题补充：

We can’t put off a plan .

A. make

B. to make

C. making

D. to making

答案：

A. make

B. to make

(答案→)C. making

D. to making

解析：句意：我们不能推迟制定计划。Put off doing sth.推迟做某事，后接动词的ing形式，故选C。