I had hardly got to the office ______ my wife phoned me to go back home at once.
35.Not until the train pulled into the next station ______ that his briefcase had gone.
34.John lost his job last year, but it wasn't long ______ he found a new position in another company.
33.— You seem to be familiar with this city! — I ______ English in a school here for two years.It's great to be back again!
32.Miss Bell joined the search-and-rescue team when she was 14, the youngest age ______ one can be admitted.
31.Laura was asked several questions, but she couldn't answer ______ of them.