练习

1.    Many young Americans believed at that time that the war had been fought ___ some noble cause.
a. for       b. to     c. owing to

2.    Can you tell me where I can change these pounds _____ dollars ?
a. for        b. to      c. into

3.    _______ his day ,Mendoza was so popular that he was adored by rich and poor alike.
a. In         b. During   c. At

4.    Today ,thousands of people bet _______ horse races.
a. for        c. to        c. on

5.    He was so ______ that within a few years he spent all the money that his father had left him.
a. thrifty    b. extravagant     c. wasted

6.    Boxing used to be a ________ game which wasn’t bound by any rules.
a.  fury       b. impolite        c. crued

7.    He suffered a lot when he was young, but he enjoyed a(n) _______ position when he was old.
a. steady      b. eminent         c. well-known

8.    The movie star was _______ by countless girls and boys.
a. laughed     b. adored          c. disregarded