－Was his father very strict with him when he was at school?

－Yes. He had never praised him ______ he became one of the top students in his grade.

   A. after                   B. unless               C. until                  D. when

______ entered the office when he realized that he had forgotten his report.

   A. He hardly had          B. Had he hardly            C. Hardly had he           D. Hardly he had

I thought her nice and honest ______ I met her.

   A. first time      B. for the first time        C. the first time             D. by the first time

－Did you remember to give Mary the money you owed her?

－Yes. I gave it to her ______ I saw her.

   A. while    B. the moment                    C. suddenly                  D. once

______ I accept that he is not perfect, I do actually like the person.

   A. While       B. Since   C. Before     D. Unless

The cost of living in Glasgow is among the lowest in Britain, ______ the quality of life is probably one of the highest.

   A. since      B. when   C. as                D. while

He was about halfway through his meal ______ a familiar voice came to his ears.

   A. why       B. where     C. when      D. while

 －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

He transplanted the little tree to the garden ______ it was the best time for it.

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

He was about to tell me the secret ______ someone patted him on the shoulder.

   A. as        B. until C. while      D. when