在高中英语学习过程中，语法填空是一项非常重要的题型。它不仅能够帮助学生巩固和运用所学的语法知识，还能提升学生的语言表达能力和逻辑思维能力。为了更好地帮助同学们掌握这一题型，以下提供了一组精心设计的语法填空练习题，并附有详细答案解析。

练习题一：

1. The teacher asked us ______ (write) an essay about our future plans.

2. Although she was tired, she continued ______ (work) on the project.

3. I have never seen ______ (beautiful) scenery than this before.

4. He is one of the students who ______ (be) selected to participate in the competition.

5. It's important for us to keep ______ (calm) when facing difficulties.

6. If it ______ (rain) tomorrow, we will stay at home.

7. The book that you lent me yesterday is very interesting. I've already finished ______ (read) it.

8. She spends half an hour every day ______ (exercise).

9. My father often tells me not to give up ______ (try) even if I fail.

10. The girl with two cats ______ (sit) under the tree.

答案解析：

1. to write - 动词不定式作宾语，表示具体动作。

2. working - continue doing sth. 表示继续做某事。

3. more beautiful - 比较级形式，用于形容词比较结构中。

4. were - 主语是复数，且时态为过去时。

5. calm - keep + 形容词，表示保持某种状态。

6. rains - 条件状语从句中，主句用将来时，从句用一般现在时表将来。

7. reading - finish doing sth. 表示完成某事。

8. exercising - spend time (in) doing sth. 表示花费时间做某事。

9. trying - give up doing sth. 表示放弃做某事。

10. is sitting - 现在进行时，描述当前正在进行的动作。

通过以上练习题，大家可以进一步熟悉语法填空的解题技巧。希望同学们能够在日常学习中多加练习，不断提高自己的英语水平。如果还有其他疑问，欢迎随时交流！