单项选择

• 1、

  Recent discoveries in Montana indicate that some d

• 2、

  The fact that he has been quite frank in admitting

• 3、

  The kind of thing that happened last Saturday nigh

• 4、

  Sometimes it is advisable to book hotels in advanc

• 5、

  Mary is looking for the book she lost yesterday.（　

• 6、

  Patricia stared at the other girls with resentment

• 7、

  In 1845 Sarah Mather invented a submarine telescop

• 8、

  A lot of people could fall ill after drinking cont

• 9、

  I hope you have left none of your belongings in th

• 10、

  I didn't help him. I would have however didn't hav

• 11、

  There is an abundant supply of cheap labor in this

• 12、

  The landscape can change abruptly after a rainstor

• 13、

  There should be laws that prohibit smoking around

• 14、

  I am sure to tell you that there's no danger.

• 15、

  Everybody was glad to see Mary back