Clerks should not leave the shop （）all items are checked
A: until
B: when
C: soon
D: after
A: until
B: when
C: soon
D: after
举一反三
- Remember to close the window and the door_______ you leave the classroom. A: before B: after C: as soon as D: until
- You can't leave ( ) you finish the work. A: since B: until C: as soon as D: when
- 29. — When will you leave for Paris for a visit?— next month. A: Until B: After C: At D: In
- I didn’t leave ______she came back . A: until B: after C: when
- The teacher didn't leave the shaking building _____ all his students had. A: if B: after C: until D: for