______ he lets me use his bike, I won’t let him use my computer.
A: If
B: When
C: While
D: Unless
A: If
B: When
C: While
D: Unless
举一反三
- He let me use his computer and ______ return I treated him to dinner. A: for B: as C: in D: of
- He let me use his computer and ______ return I treated him to dinner. A: for B: B. as C: in D: D. of
- I won’t lend you my computer _____ you promise to take care of it. A: as B: while C: unless D: if
- Unless he (tell)__________us who he is , we won't let him in.
- There’s no ____ in arguing with him—he won’t change his mind. A: point B: use C: end D: spot