Question

【题目】________ the plan has been made，let's get down to ________ it out.

A．Now that；carry B．Because；carry

C．Since；carrying D．Now；putting

Answer 1

【答案】C

【解析】

试题分析：句意：既然计划已经制定，让我们就着手开始实施吧。Since相当于now that既然，get down to doing，这个to是介词，着手做某事。故选C。