在英语语法中，表语从句是一个重要的概念，它通常出现在系动词之后，用来补充说明主语的内容或状态。为了帮助大家更好地理解和掌握这一知识点，今天我们将通过一些练习题来巩固表语从句的相关知识。
一、什么是表语从句？
表语从句位于系动词之后，用于解释或补充说明主语的内容。常见的系动词包括be, seem, look, appear等。例如：
- The problem is that we don't have enough time.
- She seems as if she knows everything.
二、表语从句的引导词
表语从句可以由以下几种引导词引导：
1. that - 引导陈述句。
- The idea is that everyone should have access to education.
2. whether/if - 引导一般疑问句。
- The question is whether he will come on time.
3. who/whom/whose/what/which - 引导特殊疑问句。
- The person who you met yesterday is my friend.
4. where/when/why/how - 引导地点、时间、原因和方式的疑问句。
- The reason why she was late is that she missed the bus.
三、练习题
接下来让我们通过一些具体的练习题来检验你对表语从句的理解。
练习1：
1. The fact ________ he is lying makes us angry.
A) whichB) that C) what D) where
2. The reason ________ she gave for being late was quite convincing.
A) whyB) whichC) that D) where
练习2：
1. It is certain ________ we will succeed in the end.
A) whichB) that C) what D) where
2. The question ________ they will arrive is still unclear.
A) when B) whereC) whyD) what
练习3：
1. The book ________ I borrowed from the library is very interesting.
A) whichB) that C) what D) where
2. The place ________ we first met is now a museum.
A) whereB) whichC) that D) what
四、答案解析
1. B) that
2. C) that
3. A) which
4. A) when
5. B) which
6. A) where
通过以上练习题，希望大家能够更加熟练地运用表语从句。记住，理解表语从句的关键在于掌握其结构和引导词的使用方法。希望这些练习能对你有所帮助！
如果你有任何疑问或需要进一步的帮助，请随时提问。继续努力学习，相信你会在英语语法上取得更大的进步！
