1 . I put down a $500 security___________ (定金) for another apartment.(根据汉语提示单词拼写)

2 . They were refused to withdraw the money they d________ several days ago by the bank (根据首字母单词拼写)

3 . Paying for children to go to a private school is beyond the________of most people.

A．revenue

B．commission

C．means

D．deposit

4 . You'll have to pay one month's rent in ________，plus a ________ of $500.

A．advance；check	B．reservation；cash
C．advance；deposit	D．check；deposit

5 . In manufacturing, cheaper materials are constantly being        for the better, more expensive kind.

A．maintained	B．cancelled
C．substituted	D．deposited