--Did Jack come back early last night?

--Yes. It was not yet eight o’clock ________ he arrived home.

    A. before         B. when            C. that        D. until

— Did Jack come back early last night?

   — Yes. It was not yet eight o’clock ________ he arrived home.

 A. before          B. when             C. that             D. until

  — Did Jack come back early last night?

— Yes. It was not yet eight o’ clock________ he arrived home.

    A. before          B. when            C. that           D. until

The English play ______ my students acted at the New Year’s party was a great success.

  A. for which         B. at which          C. in which        D. on which

 —Did Jack come back early last night?

    —Yes. It was not yet eight o’clock         he arrived home.

    A. before         B. when           C. that           D. until