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题目

（） we have finished the course, we shall start doing more revision work.A. For nowB. Now thatC. Ever sinceD. By now

（） we have finished the course, we shall start doing more revision work.

A. For now

B. Now that

C. Ever since

D. By now

题目解答

答案

B. Now that

解析

本题考查状语从句连接词的用法，核心在于根据句意选择正确的连接词。题目中前后分句存在因果关系，需判断哪个选项能准确表达“因为完成课程，所以开始复习”的逻辑。

关键点：

Now that 表示“由于、鉴于”，用于引导原因状语从句。
其他选项（如For now、Ever since、By now）不符合句子的因果关系和时态搭配。

选项分析

A. For now

含义：表示“目前”或“暂时”，通常修饰整个句子，不直接引导从句。
错误原因：无法表达前后分句的因果关系。

B. Now that

含义：表示“由于、鉴于”，引导原因状语从句。
正确性：前半句说明原因（完成课程），后半句说明结果（开始复习），符合逻辑。

C. Ever since

含义：表示“自从”，常用于完成时态，强调从过去持续到现在的状态。
错误原因：主句用将来时（shall start），时态不匹配。

D. By now

含义：表示“到目前为止”，常与完成时连用。
错误原因：主句为将来时，且无法体现因果关系。

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