2012年12月大学英语六级语法专项练习(12)

会计考友

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)
. f6 a6 p8 n* m1 H+ B# p5 r6 x　　67. She was able to give the police a full account of since she had been ________ to it.
　　A) an observer        B) an on-looker        C) a watcher        D) a witness（A）
" h0 T. l1 j" q/ Z9 o　　68. Very few people understood his lecture, the subject of which was very ________.
6 \( z9 b3 {" s! K　　A) obscure        B) upsetting        C) distant        D) inferior（A）
　　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. z9 Y$ h$ o4 p' ]- k# w, q　　A) precisely        B) primarily        C) progressively        D) preliminarily（B）
　　70. He would ________ it that his son took a livelier interest in politics.
3 l/ T( ^( e! O  l7 Z6 Y　　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