顺便说一下；in the way挡道。句意：-我认为他正在积极参加社会工作。-在某种程度上"同意你的看法。故选B。

6.The thief would have escaped _____if he hadn't sold the stolen mobile phone.

A. catching B. to catch

C. being caught D. to be caught

【答案】C

【解析】

【详解】考查固定搭配。句意：如果小偷没有把偷来的手机卖掉，他就不会被抓住了。escape doing sth."逃脱做某事"；句子主语The thief和catch之间是一种被动关系，所以这里是动名词一般式的被动式作宾语，故选C。

7.This book will ______ to the students of English.

A. be of great value B. be of great valuable

C. be great value D. be of very value

【答案】A

【解析】

【详解】考查介词短语词义辨析。句意：这本书对于学英语的人来说很有价值。Of 后接名词，同时该名词不能用very修饰，只能great，little，no修饰，of+抽象名词相当于其对应的形容词或者副词，综述选A。

8.There's no doubt ______ hard work is the key to _____ your result.

A. whether; improving B. that; improving

C. whether; improve D. that; improve

【答案】B

【解析】

【详解】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。

9.We don't need to do extra work this evening. The day's work was almost ____ now.

A. at the end B. at an end

C. at one end D. in the end

【答案】B