Mysisterpromises　　　abigdinnerforourmotheronherbirthday....

问题详情：

My sister promises　　　a big dinner for our mother on her birthday.

A. cook                B. cooks              C. to cook            D. cooking

【回答】

C。考查固定搭配。promise to do sth. 承诺/决定做某事。故选C。

知识点：动词和动词短语

题型：选择题