以下是一组原创的考研英语语法练习题，涵盖多种语法点，旨在帮助考生巩固和提升语法水平：
1. 选择正确的时态填空：
The meeting _______ (start) before we arrived at the venue.
A. was starting
B. started
C. is starting
D. has started
答案：B
2. 选择正确的代词填空：
They have been talking about the new project. I don't know _______ they are discussing.
A. that
B. which
C. who
D. whom
答案：C
3. 选择正确的连接词填空：
If you _______ (be) not satisfied with the result, you can ask for a refund.
A. were
B. are
C. will be
D. had been
答案：B
4. 选择正确的语态填空：
The letter _______ (write) by the end of this week.
A. will have been
B. will have
C. will be
D. has been
答案：A
5. 选择正确的形容词填空：
She is very _______ (patient) and always helps others when they need it.
A. patience
B. patient
C. patiently
D. patiences
答案：B
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