Question

【题目】Daniel is sure ________ out the secret. You can be sure ________ that.

A. about finding; about B. that he’ll find; for C. of finding; of D. to find; of

Answer 1

【答案】D

【解析】句意：丹尼尔一定会发现这个秘密的。你尽管放心。be sure to do对做某事有把握；be sure of对某事有把握，后跟名词或代词。故选：D。