专四专八

1. All of the plants now farmed on a large scale were developed from plants ____wild.

A. that once grow B. once they grow C. they once grew D. once grew

2. By the time you graduate, we____in Australia for one year.

A. will be staying B. will have stayed  C. would have stayed D. have stayed

3. He appreciated____the chance to deliver his thesis in the annual symposium on Comparative Literature.

A. having given B. to have been givenC. to have given D. having been given

4. The government official can hardly find sufficient grounds ____his arguments in favor of the revision of the tax law.

A. on which to base B. which to be based on C. to base on which D. on which to be based

5. Living in the desert involves a lot of problems, ____ water shortage is the worst.

A. not to mention B. of which C. let alone D. for what

编辑推荐：

2015年英语专业四级综合指导-语法练习

2015年专四专八考试考试时间

2015年英语专四专八网络辅导火热招生中

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