2012年12月大学英语六级语法专项练习(12)

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2012年12月大学英语六级语法专项练习(12)
　66. The chairman threatened ________ if his policies were not adopted.
　　A) to resign        B) resigning        C) to be resigned        D) being resigned（B）中华考试网(www．Examw。com)
- [3 b9 X5 i( e; n7 `, c0 E( s' q2 b　　67. She was able to give the police a full account of since she had been ________ to it.
( n& A' K" z. g. E) `5 D  C6 }　　A) an observer        B) an on-looker        C) a watcher        D) a witness（A）
　　68. Very few people understood his lecture, the subject of which was very ________.
$ f- f3 p2 D- C　　A) obscure        B) upsetting        C) distant        D) inferior（A）
# x9 L6 u7 |: ^& d) M" y　　69. Although the national government has introduced some new laws on this subject, it is the ________ state governments which are responsible for pollution control.
　　A) precisely        B) primarily        C) progressively        D) preliminarily（B）
　　70. He would ________ it that his son took a livelier interest in politics.
　　A) see into        B) see through        C) see about        D) see to（D）
答案：66. B 67. A 68. A 69. B 70. D