Waves of red light are about ______ waves of blue light.
  A. as twice long as     B. as long as twice     C. twice as long as     D. long as twice as

The two young men were having a heated argument. No one could ______ a word

A. get on　　 　 B .get in　　 　　　 C. get out　　 　　　 D. get into

We had a better way _______ our country against the enemy.

A. defend　　　　 B. protect　　 C. prevent　　　 D. stop

She took it for granted ________ I'd be back home an hour ago.

A. that

B. whether

C. if

D. when

There are 51 students in Class Three, _____ failed in the test.

A. all of which　　 B. all of them　　　 C. none of whom D. none of them

一Bob isn’t feeling very well.He has caught a cold.

　 一Everybody seems to have　　　　　 because of the sudden change of the weather。

A.one　　　　　 B.it　　　　 C.that　　　　 D.another

.Not until he left his home ___ to know how important the family was for him.

A. did he begin B. had he begun C. he began D. he had begun

The lady was so keen on the fur coat that she would have bought it even if it cost __________

A. as twice much　　　 B. much as twice　　 C. as much twice　　 D. twice as much

Most of us know we should cut down on fat, but knowing such things isn’t much help when it ______ shopping and eating.

A. refers to　　 B. speak of　　　 C. focuses on　　　 D. comes to

I know I should study, but he ______ me to go to the movies.

A. suggested　 B. let　 C. persuaded 　　D. made