问题补充:
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
答案:
A. Now that; carry
B. Because; carry
(答案→)C. Since; carrying
D. Now; putting
解析:get down to(doing)sth.表示“开始认真做事”,now(that),since均表示“既然,由于”。