--- Tommy, you should finish your homework______ you go out to play. --- I know, mum.
A: before
B: after
C: when
D: while
A: before
B: after
C: when
D: while
举一反三
- ——Mum, may I go out and play basketball? ——( ) you ( ) your homework yet?
- -May I go and play with Dick, Mum?-No, you can't go out ____________ your homework is being done. A: before B: as C: until
- You should finish your lessons _______ you go out to play.
- _____you have finished your homework, you can go out and play. A: Until B: Unless C: If D: Before
- _____you have finished your homework, you can go out and play.