______you borrow the money, you will have to pay it back as early as possible.
A: Unless
B: If
C: When
D: Because
                    A: Unless
B: If
C: When
D: Because
举一反三
- ______ you borrow the money, you will have to pay it back as early as possible.
 - ______ you borrow the money, you will have to pay it back as early as possible. A: If B: Beause C: Why
 - 2.If your company fails, do you have to pay the money back to the shareholders?
 - I won't give you more money ______ you have special reasons. A: unless B: after C: when D: if
 - You may borrow the book ______ you keep it clean. A: when B: unless C: as long as D: after
 
