2 the waiters / arrive / at four o'clock? Y4. A: Do the waiters arrive at four o'clock? Y4. B: No, they don't. They arrive at half past four.

UNIT 9 - Present Simple

1. The waiters arrive at four o'clock.
2. Do the waiters arrive at four o'clock?
3. No, they don't. They arrive at half past four.