成教云: He promised to be here at 4 o’clock, but didn’t（ ）until 6 o’clock.
举一反三
- He didn’t go to bed until twelve o’clock last night.用强调句表示为: A: It was not until twelve o’clock last night that he go to bed. B: It was not until twelve o’clock last night that he went to bed.
- He didn't go to bed until it was 12 o'clock last night A: before B: since C: until D: as
- He's worked here _______ 4 o'clock this afternoon.
- He didn’t go to bed until twelve o’clock last night.用强调句表示为:
- It was already seven o’clock when David left home.David ______ home until seven o’clock.