Question

【题目】There’s no doubt ______ hard work is the key to _____ your result.

A. whether; improving B. that; improving

C. whether; improve D. that; improve

Answer 1

【答案】B

【解析】

考查固定句式和固定搭配。句意：毫无疑问，努力工作是提高成绩的关键。固定句式：There’s no doubt that---“毫无疑问”； the key to doing sth.“做某事的关键”。故选B。