在大学英语学习中，掌握语法规则是非常重要的一步。语法是语言的基础，它帮助我们正确地表达思想和理解他人的话语。为了帮助大家更好地巩固语法知识，今天带来了一组大学英语语法专项练习题。通过这些练习，大家可以检验自己的语法水平，并找出需要加强的部分。

1. 选择题：

1) The book __________ I bought yesterday is very interesting.

A. who B. whom C. which D. whose

2) If it __________ rain tomorrow, we will stay at home.

A. will B. would C. is going to D. does

3) She has been working here __________ five years.

A. since B. for C. in D. until

4) The teacher told us that the sun __________ in the east.

A. rises B. rise C. rising D. rose

5) By the time he arrives, we __________ dinner.

A. have had B. will be having C. will have had D. are having

2. 填空题：

6) I __________ (go) to the library every day when I was in high school.

7) They __________ (not visit) their grandparents last weekend.

8) She __________ (be) a doctor for ten years by the end of this year.

9) If you __________ (study) harder, you would have passed the exam.

10) He said that he __________ (finish) his homework before eight o'clock.

以上就是今天的练习题，希望大家认真完成并对照答案检查自己的错误。语法的学习是一个长期积累的过程，希望同学们能够坚持不懈地练习，逐步提高自己的英语水平。如果有任何疑问，欢迎随时交流讨论。继续加油吧！