Question

【题目】It's up to you ________ when we will start.

A. decide B. to decide C. decided D. deciding

Answer 1

【答案】B

【解析】句意：由你来决定我们将在什么时候出发。根据句型It’s up to sb to do sth“由某人来决定做某事”，故此处用动词不定式to decide，故选B。