1, A wager is a fool’s argument. 

2, I'll wager $20 that the horse wins.

3, You won't find better goods anywhere else, I'll wager.

4, She put a cash wager of £50 on the biggest horse race of the year.

5, We made a wager that he would win.

6, I'll wager he won't come.

7, I'll wager that she knows more about it than she's saying.

8, She was willing to wager that he didn't own the apartment he lived in.

9, I am ready to wager a package of cigarettes that he will come.

10, Wednesday midnight the wager is up.

11, I'll wager that boy's never worked in his life!

12, Say you made your wager at odds of 40-1.

13, Volunteering a wager was unprecedented, therefore highly suspicious.

14, Wager and co-workers were struck by the strong resemblance of layered igneous rocks in the Skaergaard intrusion to clastic sedimentary rocks.

15, And estimates are that players wager $ 8 billion a year at the tables,(http://sentencedict.com/wager.html) although no one knows for sure.

16, It did not matter that her wager was only five dollars.

17, I'd wager that, if anything, people's tastes are getting more diverse these days than they used to be.

18, He also happened to have a wager on the outcome of the football game.

19, Sherlock explained the wager, and the answer Summerlee had given us.

20, I am willing to wager that the Government will not present proposals before the election about the salary of top civil servants.

21, I had naturally forgotten the joking wager.

22, I wager that It'shall be so.

23, I made a wager that our team would win.

24, I'll wager you do well for yourself in London.

25, I'll wager it is not in the almanac.

26, He tried to eat 50 hard-boiled eggs, for a wager.

27, They bulked up on cash, bought stock index futures but also placed a big, new wager.

28, And just think what the totals would be if you could make a Future Wager in California.

29, When Aykroyd discovers what his employers have done for a one-dollar wager, he seeks revenge.

30, For instance, on a question involving the law of wagers, there is generally no need to discuss what is a wager.