Question

【题目】--Is everything __ we need to do __?

--Yes. You needn't worry about it.

A. which; has done B. which; doing C. that; has done D. that; done

Answer 1

【答案】D

【解析】本题考查定语从句。在定语从句中，当先行词是everything时，关系代词用that。句意：——这是我们所需要做的一切么？——是的，你们不必担心。